Academy Ruins - Legendary Land - T: Add C to your mana pool. 1U, T: Put target artifact card from your graveyard on top of your library.

Adarkar Wastes - Land - T: Add C to your mana pool. T: Add W or U to your mana pool. Adarkar Wastes deals 1 damage to you.

Adverse Conditions - 3U - Instant - Devoid. Tap up to two target creatures. Those creatures don’t untap during their controller’s next untap step. Put a 1/1 colorless Eldrazi Scion creature token onto the battlefield. It has “Sacrifice this creature: Add C to your mana pool.”

Alchemist’s Refuge - Land - T: Add C to your mana pool. GU, T: You may cast nonland cards this turn as though they had flash.

Ally Encampment - Land - T: Add C to your mana pool. T: Add one mana of any color to your mana pool. Spend this mana only to cast an Ally spell. 1, T, Sacrifice Ally Encampment: Return target Ally you control to its owner’s hand.

Ancient Tomb - Land - T: Add CC to your mana pool. Ancient Tomb deals 2 damage to you.

An-Havva Township - Land - T: Add C to your mana pool. 1, T: Add G to your mana pool. 2, T: Add R or W to your mana pool.

Apprentice Wizard - 1UU - Creature - Human Wizard - 0/1 - U, T: Add CCC to your mana pool.

Arcane Lighthouse - Land - T: Add C to your mana pool. 1, T: Until end of turn, creatures your opponents control lose hexproof and shroud and can’t have hexproof or shroud.

Archaeological Dig - Land - T: Add C to your mana pool. T, Sacrifice Archaeological Dig: Add one mana of any color to your mana pool.

Ashnod’s Altar - 3 - Artifact - Sacrifice a creature: Add CC to your mana pool.

Awakening Zone - 2G - Enchantment - At the beginning of your upkeep, you may put a 0/1 colorless Eldrazi Spawn creature token onto the battlefield. It has “Sacrifice this creature: Add C to your mana pool.”

Aysen Abbey - Land - T: Add C to your mana pool. 1, T: Add W to your mana pool. 2, T: Add G or U to your mana pool.

Bant Panorama - Land - T: Add C to your mana pool. 1, T, Sacrifice Bant Panorama: Search your library for a basic Forest, Plains, or Island card and put it onto the battlefield tapped. Then shuffle your library.

Basalt Monolith - 3 - Artifact - Basalt Monolith doesn’t untap during your untap step. T: Add CCC to your mana pool. 3: Untap Basalt Monolith.

Battlefield Forge - Land - T: Add C to your mana pool. T: Add R or W to your mana pool. Battlefield Forge deals 1 damage to you.

Blasted Landscape - Land - T: Add C to your mana pool. Cycling 2.

Blight Herder - 5 - Creature - Eldrazi Processor - 4/5 - When you cast Blight Herder, you may put two cards your opponents own from exile into their owners’ graveyards. If you do, put three 1/1 colorless Eldrazi Scion creature tokens onto the battlefield. They have “Sacrifice this creature: Add C to your mana pool.”

Blighted Cataract - Land - T: Add C to your mana pool. 5U, T, Sacrifice Blighted Cataract: Draw two cards.

Blighted Fen - Land - T: Add C to your mana pool. 4B, T, Sacrifice Blighted Fen: Target opponent sacrifices a creature.

Blighted Gorge - Land - T: Add C to your mana pool. 4R, T, Sacrifice Blighted Gorge: Blighted Gorge deals 2 damage to target creature or player.

Blighted Steppe - Land - T: Add C to your mana pool. 3W, T, Sacrifice Blighted Steppe: You gain 2 life for each creature you control.

Blighted Woodland - Land - T: Add C to your mana pool. 3G, T, Sacrifice Blighted Woodland: Search your library for up to two basic land cards and put them onto the battlefield tapped. Then shuffle your library.

Blinkmoth Nexus - Land - T: Add C to your mana pool. 1: Blinkmoth Nexus becomes a 1/1 Blinkmoth artifact creature with flying until end of turn. It’s still a land. 1, T: Target Blinkmoth creature gets +1/+1 until end of turn.

Blinkmoth Urn - 5 - Artifact - At the beginning of each player’s precombat main phase, if Blinkmoth Urn is untapped, that player adds C to his or her mana pool for each artifact he or she controls.

Blinkmoth Well - Land - T: Add C to your mana pool. 2, T: Tap target noncreature artifact.

Blisterpod - G - Creature - Eldrazi Drone - 1/1 - Devoid. When Blisterpod dies, put a 1/1 colorless Eldrazi Scion creature token onto the battlefield. It has “Sacrifice this creature: Add C to your mana pool.”

Boreal Druid - G - Snow Creature - Elf Druid - 1/1 - T: Add C to your mana pool.

Boseiju, Who Shelters All - Legendary Land - Boseiju, Who Shelters All enters the battlefield tapped. T, Pay 2 life: Add C to your mana pool. If that mana is spent on an instant or sorcery spell, that spell can’t be countered by spells or abilities.

Brood Birthing - 1R - Sorcery - If you control an Eldrazi Spawn, put three 0/1 colorless Eldrazi Spawn creature tokens onto the battlefield. They have “Sacrifice this creature: Add C to your mana pool.” Otherwise, put one of those tokens onto the battlefield.

Brood Butcher - 3BG - Creature - Eldrazi Drone - 3/3 - Devoid. When Brood Butcher enters the battlefield, put a 1/1 colorless Eldrazi Scion creature token onto the battlefield. It has “Sacrifice this creature: Add C to your mana pool.” BG, Sacrifice a creature: Target creature gets -2/-2 until end of turn.

Brood Monitor - 4GG - Creature - Eldrazi Drone - 3/3 - Devoid. When Brood Monitor enters the battlefield, put three 1/1 colorless Eldrazi Scion creature tokens onto the battlefield. They have “Sacrifice this creature: Add C to your mana pool.”

Brushland - Land - T: Add C to your mana pool. T: Add G or W to your mana pool. Brushland deals 1 damage to you.

Buried Ruin - Land - T: Add C to your mana pool. 2, T, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

Calciform Pools - Land - T: Add C to your mana pool. 1, T: Put a storage counter on Calciform Pools. 1, Remove X storage counters from Calciform Pools: Add X mana in any combination of W and/or U to your mana pool.

Caldera Lake - Land - Caldera Lake enters the battlefield tapped. T: Add C to your mana pool. T: Add U or R to your mana pool. Caldera Lake deals 1 damage to you.

Call the Scions - 2G - Sorcery - Devoid. Put two 1/1 colorless Eldrazi Scion creature tokens onto the battlefield. They have “Sacrifice this creature: Add C to your mana pool.”

Carrier Thrall - 1B - Creature - Vampire - 2/1 - When Carrier Thrall dies, put a 1/1 colorless Eldrazi Scion creature token onto the battlefield. It has “Sacrifice this creature: Add C to your mana pool.”

Cascade Bluffs - Land - T: Add C to your mana pool. U/R, T: Add UU, UR, or RR to your mana pool.

Castle Sengir - Land - T: Add C to your mana pool. 1, T: Add B to your mana pool. 2, T: Add U or R to your mana pool.

Catacomb Sifter - 1BG - Creature - Eldrazi Drone - 2/3 - Devoid. When Catacomb Sifter enters the battlefield, put a 1/1 colorless Eldrazi Scion creature token onto the battlefield. It has “Sacrifice this creature: Add C to your mana pool.” Whenever another creature you control dies, scry 1.

Cathedral of War - Land - Cathedral of War enters the battlefield tapped. Exalted. T: Add C to your mana pool.

Cathodion - 3 - Artifact Creature - Construct - 3/3 - When Cathodion dies, add CCC to your mana pool.

Cavern of Souls - Land - As Cavern of Souls enters the battlefield, choose a creature type. T: Add C to your mana pool. T: Add one mana of any color to your mana pool. Spend this mana only to cast a creature spell of the chosen type, and that spell can’t be countered.

Caves of Koilos - Land - T: Add C to your mana pool. T: Add W or B to your mana pool. Caves of Koilos deals 1 damage to you.

Channel - GG - Sorcery - Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add C to your mana pool.

Cinder Marsh - Land - T: Add C to your mana pool. T: Add B or R to your mana pool. Cinder Marsh doesn’t untap during your next untap step.

Circle of Elders - 2GG - Creature - Human Shaman - 2/4 - Vigilance. T: Add CCC to your mana pool. Activate this ability only if creatures you control have total power 8 or greater.

City of Shadows - Land - T, Exile a creature you control: Put a storage counter on City of Shadows. T: Add X mana of C to your mana pool, where X is the number of storage counters on City of Shadows.

City of Traitors - Land - Whenever you play another land, sacrifice City of Traitors. T: Add CC to your mana pool.

Cloudcrest Lake - Land - T: Add C to your mana pool. T: Add W or U to your mana pool. Cloudcrest Lake doesn’t untap during your next untap step.

Cloudpost - Land - Locus - Cloudpost enters the battlefield tapped. T: Add C to your mana pool for each Locus on the battlefield.

Command Beacon - Land - T: Add C to your mana pool. T, Sacrifice Command Beacon: Put your commander into your hand from the command zone.

Contested Cliffs - Land - T: Add C to your mana pool. RG, T: Target Beast creature you control fights target creature an opponent controls.

Contested War Zone - Land - Whenever a creature deals combat damage to you, that creatures controller gains control of Contested War Zone. T: Add C to your mana pool. 1, T: Attacking creatures get +1/+0 until end of turn.

Coral Atoll - Land - Coral Atoll enters the battlefield tapped. When Coral Atoll enters the battlefield, sacrifice it unless you return an untapped Island you control to its owner’s hand. T: Add CU to your mana pool.

Corpsehatch - 3BB - Sorcery - Destroy target nonblack creature. Put two 0/1 colorless Eldrazi Spawn creature tokens onto the battlefield. They have “Sacrifice this creature: Add C to your mana pool.”

Crucible of the Spirit Dragon - Land - T: Add C to your mana pool. 1, T: Put a storage counter on Crucible of the Spirit Dragon. T, Remove X storage counters from Crucible of the Spirit Dragon: Add X mana in any combination of colors to your mana pool. Spend this mana only to cast Dragon spells or activate abilities of Dragons.

Crystal Quarry - Land - T: Add C to your mana pool. 5, T: Add WUBRG to your mana pool.

Crystal Vein - Land - T: Add C to your mana pool. T, Sacrifice Crystal Vein: Add CC to your mana pool.

Darksteel Citadel - Artifact Land - Indestructible. T: Add C to your mana pool.

Daru Encampment - Land - T: Add C to your mana pool. W, T: Target Soldier creature gets +1/+1 until end of turn.

Deranged Assistant - 1U - Creature - Human Wizard - 1/1 - T, Put the top card of your library into your graveyard: Add C to your mana pool.

Desert - Land - Desert - T: Add C to your mana pool. T: Desert deals 1 damage to target attacking creature. Activate this ability only during the end of combat step.

Deserted Temple - Land - T: Add C to your mana pool. 1, T: Untap target land.

Desolate Lighthouse - Land - T: Add C to your mana pool. 1UR, T: Draw a card, then discard a card.

Dormant Volcano - Land - Dormant Volcano enters the battlefield tapped. When Dormant Volcano enters the battlefield, sacrifice it unless you return an untapped Mountain you control to its owner’s hand. T: Add CR to your mana pool.

Dread Drone - 4B - Creature - Eldrazi Drone - 4/1 - When Dread Drone enters the battlefield, put two 0/1 colorless Eldrazi Spawn creature tokens onto the battlefield. They have “Sacrifice this creature: Add C to your mana pool.”

Dread Sanctuary - Land - T: Add C to your mana pool. 4: Dread Sanctuary becomes a 4/2 Golem artifact creature until end of turn. It’s still a land.

Dreadship Reef - Land - T: Add C to your mana pool. 1, T: Put a storage counter on Dreadship Reef. 1, Remove X storage counters from Dreadship Reef: Add X mana in any combination of U and/or B to your mana pool.

Dreamstone Hedron - 6 - Artifact - T: Add CCC to your mana pool. 3, T, Sacrifice Dreamstone Hedron: Draw three cards.

Drowner of Hope - 5U - Creature - Eldrazi - 5/5 - Devoid. When Drowner of Hope enters the battlefield, put two 1/1 colorless Eldrazi Scion creature tokens onto the battlefield. They have “Sacrifice this creature: Add C to your mana pool.” Sacrifice an Eldrazi Scion: Tap target creature.

Drumhunter - 3G - Creature - Human Druid Warrior - 2/2 - At the beginning of your end step, if you control a creature with power 5 or greater, you may draw a card. T: Add C to your mana pool.

Duskmantle, House of Shadow - Land - T: Add C to your mana pool. UB, T: Target player puts the top card of his or her library into his or her graveyard.

Dust Bowl - Land - T: Add C to your mana pool. 3, T, Sacrifice a land: Destroy target nonbasic land.

Eldrazi Skyspawner - 2U - Creature - Eldrazi Drone - 2/1 - Devoid. Flying. When Eldrazi Skyspawner enters the battlefield, put a 1/1 colorless Eldrazi Scion creature token onto the battlefield. It has “Sacrifice this creature: Add C to your mana pool.”

Eldrazi Temple - Land - T: Add C to your mana pool. T: Add CC to your mana pool. Spend this mana only to cast colorless Eldrazi spells or activate abilities of colorless Eldrazi.

Elephant Graveyard - Land - T: Add C to your mana pool. T: Regenerate target Elephant.

Emrakul’s Hatcher - 4R - Creature - Eldrazi Drone - 3/3 - When Emrakul’s Hatcher enters the battlefield, put three 0/1 colorless Eldrazi Spawn creature tokens onto the battlefield. They have “Sacrifice this creature: Add C to your mana pool.”

Encroaching Wastes - Land - T: Add C to your mana pool. 4, T, Sacrifice Encroaching Wastes: Destroy target nonbasic land.

Energy Tap - U - Sorcery - Tap target untapped creature you control. If you do, add X mana of C to your mana pool, where X is that creature’s converted mana cost.

Esper Panorama - Land - T: Add C to your mana pool. 1, T, Sacrifice Esper Panorama: Search your library for a basic Plains, Island, or Swamp card and put it onto the battlefield tapped. Then shuffle your library.

Essence Feed - 5B - Sorcery - Target player loses 3 life. You gain 3 life and put three 0/1 colorless Eldrazi Spawn creature tokens onto the battlefield. They have “Sacrifice this creature: Add C to your mana pool.”

Everflowing Chalice - 0 - Artifact - Multikicker 2. Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked. T: Add C to your mana pool for each charge counter on Everflowing Chalice.

Everglades - Land - Everglades enters the battlefield tapped. When Everglades enters the battlefield, sacrifice it unless you return an untapped Swamp you control to its owner’s hand. T: Add CB to your mana pool.

Exuberant Firestoker - 2R - Creature - Human Druid Shaman - 1/1 - At the beginning of your end step, if you control a creature with power 5 or greater, you may have Exuberant Firestoker deal 2 damage to target player. T: Add C to your mana pool.

Eyeless Watcher - 3G - Creature - Eldrazi Drone - 1/1 - Devoid. When Eldrazi Watcher enters the battlefield, put two 1/1 colorless Eldrazi Scion creature tokens onto the battlefield. They have “Sacrifice this creature: Add C to your mana pool.”

Fetid Heath - Land - T: Add C to your mana pool. W/B, T: Add WW, WB, or BB to your mana pool.

Fire-Lit Thicket - Land - T: Add C to your mana pool. R/G, T: Add RR, RG, or GG to your mana pool.

Flooded Grove - Land - T: Add C to your mana pool. G/U, T: Add GG, GU, or UU to your mana pool.

Foundry of the Consuls - Land - T: Add C to your mana pool. 5, T, Sacrifice Foundry of the Consuls: Put two 1/1 colorless Thopter artifact creature tokens with flying onto the battlefield.

Fractured Powerstone - 2 - Artifact - T: Add C to your mana pool. T: Roll the planar die. Activate this ability only any time you could cast a sorcery.

From Beyond - 3G - Enchantment - Devoid. At the beginning of your upkeep, put a 1/1 colorless Eldrazi Scion creature token onto the battlefield. It has “Sacrifice this creature: Add C to your mana pool.” 1G, Sacrifice From Beyond: Search your library for an Eldrazi card, reveal it, put it into your hand, then shuffle your library.

Gargoyle Castle - Land - T: Add C to your mana pool. 5, T, Sacrifice Gargoyle Castle: Put a 3/4 colorless Gargoyle artifact creature token with flying onto the battlefield.

Gavony Township - Land - T: Add C to your mana pool. 2GW, T: Put a +1/+1 counter on each creature you control.

Gemstone Caverns - Legendary Land - If Gemstone Caverns is in your opening hand and you’re not playing first, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand. T: Add C to your mana pool. If Gemstone Caverns has a luck counter on it, instead add one mana of any color to your mana pool.

Generator Servant - 1R - Creature - Elemental - 2/1 - T, Sacrifice Generator Servant: Add CC to your mana pool. If that mana is spent on a creature spell, it gains haste until end of turn.

Ghost Quarter - Land - T: Add C to your mana pool. T, Sacrifice Ghost Quarter: Destroy target land. Its controller may search his or her library for a basic land card, put it onto the battlefield, then shuffle his or her library.

Ghost Town - Land - T: Add C to your mana pool. 0: Return Ghost Town to its owner’s hand. Activate this ability only if it’s not your turn.

Glimmerpost - Land - Locus - When Glimmerpost enters the battlefield, you gain 1 life for each Locus on the battlefield. T: Add C to your mana pool.

Goblin Burrows - Land - T: Add C to your mana pool. 1R, T: Target Goblin creature gets +2/+0 until end of turn.

Gods’ Eye, Gate to the Reikai - Legendary Land - T: Add C to your mana pool. When Gods’ Eye, Gate to the Reikai is put into the graveyard from the battlefield, put a 1/1 colorless Spirit creature token onto the battlefield.

Grand Architect - 1UU - Creature - Vedalken Artificer - 1/3 - Other blue creatures you control get +1/+1. U: Target artifact creature becomes blue until end of turn. Tap an untapped blue creature you control: Add CC to your mana pool. Spend this mana only to cast artifact spells or activate abilities of artifacts.

Grand Coliseum - Land - Grand Coliseum enters the battlefield tapped. T: Add C to your mana pool. T: Add one mana of any color to your mana pool. Grand Coliseum deals 1 damage to you.

Grave Birthing - 2B - Instant - Devoid. Target opponent exiles a card from his or her graveyard. You put a 1/1 colorless Eldrazi Scion creature token onto the battlefield. It has “Sacrifice this creature: Add C to your mana pool.” Draw a card.

Graven Cairns - Land - T: Add C to your mana pool. B/R, T: Add BB, BR, or RR to your mana pool.

Griffin Canyon - Land - T: Add C to your mana pool. T: Untap target Griffin. If it’s a creature, it gets +1/+1 until end of turn.

Grim Backwoods - Land - T: Add C to your mana pool. 2BG, T, Sacrifice a creature: Draw a card.

Grim Monolith - 2 - Artifact - Grim Monolith doesn’t untap during your untap step. T: Add CCC to your mana pool. 4: Untap Grim Monolith.

Grinning Ingus - 2R - Creature - Elemental - 2/2 - R, Return Grinning Ingus to its owner’s hand: Add CCR to your mana pool. Activate this ability only any time you could cast a sorcery.

Grixis Panorama - Land - T: Add C to your mana pool. 1, T, Sacrifice Grixis Panorama: Search your library for a basic Island, Swamp, or Mountain card and put it onto the battlefield tapped. Then shuffle your library.

Grove of the Burnwillows - Land - T: Add C to your mana pool. T: Add R or G to your mana pool. Each opponent gains 1 life.

Grove of the Guardian - Land - T: Add C to your mana pool. 3GW, T, Tap two untapped creatures you control, Sacrifice Grove of the Guardian: Put an 8/8 green and white Elemental creature token with vigilance onto the battlefield.

Growth Spasm - 2G - Sorcery - Search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library. Put a 0/1 colorless Eldrazi Spawn creature token onto the battlefield. It has “Sacrifice this creature: Add C to your mana pool.”

Guardian Idol - 2 - Artifact - Guardian Idol enters the battlefield tapped. T: Add C to your mana pool. 2: Guaridan Idol becomes a 2/2 artifact creature until end of turn.

Hall of the Bandit Lord - Legendary Land - Hall of the Bandit Lord enters the battlefield tapped. T, Pay 3 life: Add C to your mana pool. If that mana is spent on a creature spell, it gains haste.

Haunted Fengraf - Land - T: Add C to your mana pool. 3, T, Sacrifice Haunted Fengraf: Return a creature card at random from your graveyard to your hand.

Haven of the Spirit Dragon - Land - T: Add C to your mana pool. T: Add one mana of any color to your mana pool. Spend this mana only to cast a Dragon creature spell. 2, T, Sacrifice Haven of the Spirit Dragon: Return target Dragon creature card or Ugin planeswalker card from your graveyard to your hand.

Hedron Archive - 4 - Artifact - T: Add CC to your mana pool. 2, T, Sacrifice Hedron Archive: Draw two cards.

Hellion Crucible - Land - T: Add C to your mana pool. 1R, T: Put a pressure counter on Hellion Crucible. 1R, T, Remove two pressure counters from Hellion Crucible and sacrifice it: Put a 4/4 red Hellion creature token with haste onto the battlefield.

Henge of Ramos - Land - T: Add C to your mana pool. 2, T: Add one mana of any color to your mana pool.

High Market - Land - T: Add C to your mana pool. T, Sacrifice a creature: You gain 1 life.

Homeward Path - Land - T: Add C to your mana pool. T: Each player gains control of all creatures he or she owns.

Honor-Worn Shaku - 3 - Artifact - T: Add C to your mana pool. Tap an untapped legendary permanent you control: Untap Honor-Worn Shaku.

Iceberg - XUU - Enchantment - Iceberg enters the battlefield with X ice counters on it. 3: Put an ice counter on Iceberg. Remove an ice counter from Iceberg: Add C to your mana pool.

Incubator Drone - 3U - Creature - Eldrazi Drone - 2/3 - Devoid. When Incubator Drone enters the battlefield, put a 1/1 colorless Eldrazi Scion creature token onto the battlefield. It has “Sacrifice this creature: Add C to your mana pool.”

Inkmoth Nexus - Land - T: Add C to your mana pool. 1: Inkmoth Nexus becomes a 1/1 Blinkmoth artifact creature with flying and infect until end of turn. It’s still a land.

Jund Panorma - Land - T: Add C to your mana pool. 1, T, Sacrifice Jund Panorama: Search your library for a basic Swamp, Mountain, or Forest card and put it onto the battlefield tapped. Then shuffle your library.

Jungle Basin - Land - Jungle Basin enters the battlefield tapped. When Jungle Basin enters the battlefield, sacrifice it unless you return an untapped Forest you control to its owner’s hand. T: Add CG to your mana pool.

Karoo - Land - Karoo enters the battlefield tapped. When Karoo enters the battlefield, sacrifice it unless you return an untapped Plains you control to its owner’s hand. T: Add CW to your mana pool.

Karplusan Forest - Land - T: Add C to your mana pool. T: Add R or G to your mana pool. Karplusan Forest deals 1 damage to you.

Keldon Necropolis - Legendary Land - T: Add C to your mana pool. 4R, T, Sacrifice a creature: Keldon Necropolis deals 2 damage to target creature or player.

Kessig Wolf Run - Land - T: Add C to your mana pool. XRG, T: Target creature gets +X/+0 and gains trample until end of turn.

Kher Keep - Legendary Land - T: Add C to your mana pool. 1R, T: Put a 0/1 red Kobold creature token named Kobolds of Kher Keep onto the battlefield.

Kor Haven - Legendary Land - T: Add C to your mana pool. 1W, T: Prevent all combat damage that would be dealt by target attacking creature this turn.

Koskun Keep - Land - T: Add C to your mana pool. 1, T: Add R to your mana pool. 2, T: Add B or G to your mana pool.

Kozilek’s Channeler - 5 - Creature - Eldrazi - 4/4 - T: Add CC to your mana pool.

Kozilek’s Predator - 3G - Creature - Eldrazi Drone - 3/3 - When Kozilek’s Predator enters the battlefield, put two 0/1 colorless Eldrazi Spawn onto the battlefield. They have “Sacrifice this creature: Add C to your mana pool.”

Krark-Clan Ironworks - 4 - Artifact - Sacrifice an artifact: Add CC to your mana pool.

Krosan Verge - Land - Krosan Verge enters the battlefield tapped. T: Add C to your mana pool. 2, T, Sacrifice Krosan Verge: Search your library for a Forest card and a Plains card and put them onto the battlefield tapped. Then shuffle your library.

Kyren Toy - 3 - Artifact - 1, T: Put a charge counter on Kyren Toy. T, Remove X charge counters from Kyren Toy: Add X mana of C to your mana pool and then add C to your mana pool.

Lantern-Lit Graveyard - Land - T: Add C to your mana pool. T: Add B or R to your mana pool. Lantern-Lit Graveyard doesn’t untap during your next untap step.

Library of Alexandria - Land - T: Add C to your mana pool. T: Draw a card. Activate this ability only if you have exactly seven cards in your hand.

Llanowar Wastes - Land - T: Add C to your mana pool. T: Add B or G to your mana pool. Llanowar Wastes deals 1 damage to you.

Mage-Ring Network - Land - T: Add C to your mana pool. 1, T: Put a storage counter on Mage-Ring Network. T, Remove X storage counters from Mage-Ring Network: Add X mana of C to your mana pool.

Magus of the Library - GG - Creature - Human Wizard - 1/1 - T: Add C to your mana pool. T: Draw a crd. Activate this ability only if you have exactly seven cards in your hand.

Mana Cache - 1RR - Enchantment - At the beginning of each player’s end step, put a charge counter on Mana Cache for each untapped land that player controls. Remove a charge counter from Mana Cache: Add C to your mana pool. Any player may activate this ability but only during his or her turn before the end step.

Mana Crypt - 0 - Artifact - At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you. T: Add CC to your mana pool.

Mana Drain - UU - Instant - Counter target spell. At the beginning of your next main phase, add X mana of C to your mana pool, where X is that spell’s converted mana cost.

Mana Echoes - 2RR - Enchantment - Whenever a creature enters the battlefield, you may add X mana of C to your mana pool, where X is the number of creatures you control that share a creature type with it.

Mana Prism - 3 - Artifact - T: Add C to your mana pool. 1, T: Add one mana of any color to your mana pool.

Mana Seism - 1R - Sorcery - Sacrifice any number of lands. Add C to your mana pool for each land sacrificed this way.

Mana Vault - 1 - Artifact - Mana Vault doesn’t untap during your untap step. At the beginning of your upkeep, you may pay 4. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. T: Add CCC to your mana pool.

Manakin - 2 - Artifact Creature - Construct - 1/1 - T: Add C to your mana pool.

Maze of Shadows - Land - T: Add C to your mana pool. T: Untap target attacking creature with shadow. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Maze’s End - Land - Maze’s End enters the battlefield tapped. T: Add C to your mana pool. 3, T, Return Maze’s End to its owner’s hand: Search your library for a Gate card, put it onto the battlefield, then shuffle your library. If you control ten or more Gates with different names, you win the game.

Metalworker - 3 - Artifact Creature - Construct - 1/2 - T: Reveal any number of artifact cards in your hand. Add CC to your mana pool for each card revealed this way.

Mikokoro, Center of the Sea - Legendary Land - T: Add C to your mana pool. 2, T: Each player draws a card.

Millikin - 2 - Artifact Creature - Construct - 0/1 - T, Put the top card of your library into your graveyard: Add C to your mana pool.

Mind Stone - 2 - Artifact - T: Add C to your mana pool. 1, T, Sacrifice Mind Stone: Draw a card.

Miren, the Moaning Well - Legendary Land - T: Add C to your mana pool. 3, T, Sacrifice a creature: You gain life equal to the sacrificed creature’s toughness.

Mirrodin’s Core - Land - T: Add C to your mana pool. T: Put a charge counter on Mirrodin’s Core. T, Remove a charge counter from Mirrodin’s Core: Add one mana of any color to your mana pool.

Mishra’s Factory - Land - T: Add C to your mana pool. 1: Mishra’s Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It’s still a land. T: Target Assembly-Worker creature gets +1/+1 until end of turn.

Mishra’s Workshop - Land - T: Add CCC to your mana pool. Spend this mana only to cast artifact spells.

Mogg Hollows - Land - T: Add C to your mana pool. T: Add R or G to your mana pool. Mogg Hollows doesn’t untap during your next untap step.

Molten Slagheap - Land - T: Add C to your mana pool. 1, T: Put a storage counter on Molten Slagheap. 1, Remove X storage counters from Molten Slagheap: Add X mana in any combination of B and/or R to your mana pool.

Moorland Haunt - Land - T: Add C to your mana pool. WU, T, Exile a creature card from your graveyard: Put a 1/1 white Spirit creature token with flying onto the battlefield.

Mouth of Ronom - Snow Land - T: Add C to your mana pool. 4S, T, Sacrifice Mouth of Ronom: Mouth of Ronom deals 4 damage to target creature.

Mutavault - Land - T: Add C to your mana pool. 1: Mutavault becomes a 2/2 creature with all creature types until end of turn. It’s still a land.

Myr Moonvessel - 1 - Artifact Creature - Myr - 1/1 - When Myr Moonvessel dies, add C to your mana pool.

Myr Reservoir - 3 - Artifact - T: Add CC to your mana pool. Spend this mana only to cast Myr spells or activate abilities of Myr. 3, T: Return target Myr card from your graveyard to your hand.

Myriad Landscape - Land - Myriad Landscape enters the battlefield tapped. T: Add C to your mana pool. 2, T, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle your library.

Mystic Gate - Land - T: Add C to your mana pool. W/U, T: Add WW, WU, or UU to your mana pool.

Mystifying Maze - Land - T: Add C to your mana pool. 4, T: Exile target attacking creature an opponent controls. A the beginning of the next end step, return it to the battlefield tapped under its owner’s control.

Nantuko Elder - 2G - Creature - Insect Druid - 1/2 - T: Add CG to your mana pool.

Nantuko Monastery - Land - T: Add C to your mana pool. GW: Nantuko Monastery becomes a 4/4 green and white Insect Monk creature with first strike until end of turn. It’s still a land. Activate this ability only if seven or more cards are in your graveyard.

Naya Panorama - Land - T: Add C to your mana pool. 1, T, Sacrifice Naya Panorama: Search your library for a basic Mountain, Forest, or Plains card and put it onto the battlefield tapped. Then shuffle your library.

Nephalia Drownyard - Land - T: Add C to your mana pool. 1UB, T: Target player puts the top three cards of his or her library into his or her graveyard.

Nest Invader - 1G - Creature - Eldrazi Drone - 2/2 - When Nest Invader enters the battlefield, put a 0/1 Eldrazi Spawn creature token onto the battlefield. It has “Sacrifice this creature: Add C to your mana pool.”

Nimbus Maze - Land - T: Add C to your mana pool. T: Add W to your mana pool. Activate this ability only if you control an Island. T: Add U to your mana pool. Activate this ability only if you control a Plains.

Nivix, Aerie of the Firemind - Land - T: Add C to your mana pool. 2UR, T: Exile the top card of your library. Until your next turn, you may cast that card if it’s an instant or sorcery.

Novijen, Heart of Progress - Land - T: Add C to your mana pool. GU, T: Put a +1/+1 counter on each creature that entered the battlefield this turn.

Nykthos, Shrine to Nyx - Legendary Land - T: Add C to your mana pool. 2, T: Choose a color. Add to your mana pool an amount of mana of that color equal to your devotion to that color.

Opal Palace - Land - T: Add C to your mana pool. 1, T: Add to your mana pool one mana of any color in your commander’s color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it’s been cast from the command zone this game.

Orzhova, the Church of Deals - Land - T: Add C to your mana pool. 3WB, T: Target player loses 1 life and you gain 1 life.

Palladium Myr - 3 - Artifact Creature - Myr - 2/2 - T: Add CC to your mana pool.

Pawn of Ulamog - 1BB - Creature - Vampire Shaman - 2/2 - Whenever Pawn of Ulamog or another nontoken creature you control dies, you may put a 0/1 colorless Eldrazi Spawn creature token onto the battlefield. It has “Sacrifice this creature: Add C to your mana pool.”

Petrified Field - Land - T: Add C to your mana pool. T, Sacrifice Petrified Field: Return target land card from your graveyard to your hand.

Phyrexian Tower - Legendary Land - T: Add C to your mana pool. T, Sacrifice a creature: Add BB to your mana pool.

Phyrexia’s Core - Land - T: Add C to your mana pool. 1, T, Sacrifice an artifact: You gain 1 life.

Pine Barrens - Land - Pine Barrens enters the battlefield tapped. T: Add C to your mana pool. T: Add B or G to your mana pool. Pine Barrens deals 1 damage to you.

Pinecrest Ridge - Land - T: Add C to your mana pool. T: Add R or G to your mana pool. Pinecrest Ridge doesn’t untap during your next untap step.

Plague Myr - 2 - Artifact Creature - Myr - 1/1 - Infect. T: Add C to your mana pool.

Prahv, Spires of Order - Land - T: Add C to your mana pool. 4WU, T: Prevent all damage a source of your choice would deal this turn.

Primal Beyond - Land - As Primal Beyond enters the battlefield, you may reveal an Elemental card from your hand. If you don’t, Primal Beyond enters the battlefield tapped. T: Add C to your mana pool. T: Add one mana of any color to your mana pool. Spend this mana only to cast an Elemental spell or activate an ability of an Elemental.

Prismatic Lens - 2 - Artifact - T: Add C to your mana pool. 1, T: Add one mana of any color to your mana pool.

Pristine Talisman - 3 - Artifact - T: Add C to your mana pool. You gain 1 life.

Pygmy Hippo - GU - Creature - Hippo - 2/2 - Whenever Pygmy Hippo attacks and isn’t blocked, you may have defending player activate a mana ability of each land he or she controls and empty his or her mana pool. If you do, Pygmy Hippo assigns no combat damage this turn and at the beginning of your postcombat main phase, you add X mana of C to your mana pool, where X is the amount of mana emptied from defending player’s mana pool this way.

Qarsi Deceiver - 1U - Creature - Naga Wizard - 0/4 - T: Add C to your mana pool. Spend this mana only to cast a face-down creature spell, pay a mana cost to turn a manifested creature face up, or pay a morph cost.

Quicksand - Land - T: Add C to your mana pool. T, Sacrifice Quicksand: Target attacking creature without flying gets -1/-2 until end of turn.

Radiant Fountain - Land - When Radiant Fountain enters the battlefield, you gain 2 life. T: Add C to your mana pool.

Rapacious One - 5R - Creature - Eldrazi Drone - 5/4 - Trample. Whenever Rapacious One deals combat damage to a player, put that many 0/1 colorless Eldrazi Spawn creature tokens onto the battlefield. They have “Sacrifice this creature: Add C to your mana pool.”

Rasputin Dreamweaver - 4WU - Legendary Creature - Human Wizard - 4/1 - Rasputin Dreamweaver enters the battlefield with seven dream counters on it. Remove a dream counter from Rasputin: Add C to your mana pool. Remove a dream counter from Rasputin: Prevent the next 1 damage that would be dealt to Rasputin this turn. At the beginning of your upkeep, if Rasputin started this turn untapped, put a dream counter on it. Rasputin can’t have more than seven dream counters on it.

Rath’s Edge - Legendary Land - T: Add C to your mana pool. 4, T, Sacrifice a land: Rath’s Edge deals 1 damage to target creature or player.

Reliquary Tower - Land - You have no maximum hand size. T: Add C to your mana pool.

Renowned Weaponsmith - 1U - Creature - Human Artificer - 1/3 - T: Add CC to your mana pool. Spend this mana only to cast artifact spells or activate abilities of artifacts. U, T: Search your library for a card named Heart-Piercer Bow or Vial of Dragonfire, reveal it, put it into your hand, then shuffle your library.

Riftstone Portal - Land - T: Add C to your mana pool. As long as Riftstone Portal is in your graveyard, lands you control have “T: Add G or W to your mana pool.”

Riptide Laboratory - Land - T: Add C to your mana pool. 1U, T: Return target Wizard you control to its owner’s hand.

Rishadan Port - Land - T: Add C to your mana pool. 1, T: Tap target land.

Rix Maadi, Dungeon Palace - Land - T: Add C to your mana pool. 1BR, T: Each player discards a card. Activate this ability only any time you could cast a sorcery.

Rogue’s Passage - Land - T: Add C to your mana pool. 4, T: Target creature can’t be blocked this turn.

Rootwater Depths - Land - T: Add C to your mana pool. T: Add U or B to your mana pool. Rootwater Depths doesn’t untap during your next untap step.

Rosheen Meanderer - 3R/G - Legendary Creature - Giant Shaman - 4/4 - T: Add CCCC to your mana pool. Spend this mana only on costs that contain X.

Rugged Prairie - Land - T: Add C to your mana pool. R/W, T: Add RR, RW, or WW to your mana pool.

Salt Flats - Land - Salt Flats enters the battlefield tapped. T: Add C to your mana pool. T: Add W or B to your mana pool. Salt Flats deals 1 damage to you.

Saltcrusted Steppe - Land - T: Add C to your mana pool. 1, T: Put a storage counter on Saltcrusted Steppe. 1, Remove X storage counters from Saltcrusted Steppe: Add X mana in any combination of G and/or W to your mana pool.

Sanctum of Ugin - Land - T: Add C to your mana pool. Whenever you cast a colorless spell with converted mana cost 7 or greater, you may sacrifice Sanctum of Ugin. If you do, search your library for a colorless creature card, reveal it, put it into your hand, then shuffle your library.

Scabland - Land - Scabland enters the battlefield tapped. T: Add C to your mana pool. T: Add R or W to your mana pool. Scabland deals 1 damage to you.

Scattering Stroke - 2UU - Instant - Counter target spell. Clash with an opponent. If you win, at the beginning of your next main phase, you may add X mana of C to your mana pool, where X is that spell’s converted mana cost.

School of the Unseen - Land - T: Add C to your mana pool. 2, T: Add one mana of any color to your mana pool.

Scorched Ruins - Land - If Scorched Ruins would enter the battlefield, sacrifice two untapped lands instead. If you do, put Scorched Ruins onto the battlefield. If you don’t, put it into its owner’s graveyard. T: Add CCCC to your mana pool.

Scrying Sheets - Snow Land - T: Add C to your mana pool. 1S, T: Look at the top card of your library. If that card is snow, you may reveal it and put it into your hand.

Sea Scryer - 1U - Creature - Merfolk Wizard - 1/1 - T: Add C to your mana pool. 1, T: Add U to your mana pool.

Seaside Haven - Land - T: Add C to your mana pool. WU, T, Sacrifice a Bird: Draw a card.

Seraph Sanctuary - Land - When Seraph Sanctuary enters the battlefield, you gain 1 life. Whenever an Angel enters the battlefield under your control, you gain 1 life. T: Add C to your mana pool.

Serum Powder - 3 - Artifact - T: Add C to your mana pool. Any time you could mulligan and Serum Powder is in your hand, you may exile all the cards from your hand, then draw that many cards.

Sheltered Valley - Land - If Sheltered Valley would enter the battlefield, instead sacrifice each other permanent named Sheltered Valley you control, then put Sheltered Valley onto the battlefield. At the beginning of your upkeep, if you control three or fewer lands, you gain 1 life. T: Add C to your mana pool.

Shimmering Grotto - Land - T: Add C to your mana pool. 1, T: Add one mana of any color to your mana pool.

Shivan Gorge - Legendary Land - T: Add C to your mana pool. 2R, T: Shivan Gorge deals 1 damage to each opponent.

Shivan Reef - Land - T: Add C to your mana pool. T: Add U or R to your mana pool. Shivan Reef deals 1 damage to you.

Shrine of Boundless Growth - 3 - Artifact - At the beginning of your upkeep or whenever you cast a green spell, put a charge counter on Shrine of Boundless Growth. T, Sacrifice Shrine of Boundless Growth: Add C to your mana pool for each charge counter on Shrine of Boundless Growth.

Shrine of the Forsaken Gods - Land - T: Add C to your mana pool. T: Add CC to your mana pool. Spend this mana only to cast colorless spells. Activate this ability only if you control seven or more lands.

Sisay’s Ring - 4 - Artifact - T: Add CC to your mana pool.

Skarrg, the Rage Pits - Land - T: Add C to your mana pool. RG, T: Target creature gets +1/+1 and gains trample until end of turn.

Skittering Invasion - 7 - Tribal Sorcery - Eldrazi - Put five 0/1 colorless Eldrazi Spawn creature tokens onto the battlefield. They have “Sacrifice this creature: Add C to your mana pool.”

Skyshroud Forest - Land - Skyshroud Forest enters the battlefield tapped. T: Add C to your mana pool. T: Add G or U to your mana pool. Skyshroud Forest deals 1 damage to you.

Slayers’ Stronghold - Land - T: Add C to your mana pool. RW, T: Target creature gets +2/+0 and gains vigilance and haste until end of turn.

Sliver Hive - Land - T: Add C to your mana pool. T: Add one mana of any color to your mana pool. Spend this mana only to cast a Sliver spell. 5, T: Put a 1/1 colorless Sliver creature token onto the battlefield. Activate this ability only if you control a Sliver.

Sol Ring - 1 - Artifact - T: Add CC to your mana pool.

Soldevi Excavations - Land - If Soldevi Excavations would enter the battlefield, sacrifice an untapped Island instead. If you do, put Soldevi Excavations onto the battlefield. If you don’t, put it into its owner’s graveyard. T: Add CU to your mana pool. 1, T: Scry 1.

Soldevi Machinist - 1U - Creature - Human Wizard Artificer - 1/1 - T: Add CC to your mana pool. Spend this mana only to activate abilities of artifacts.

Spawning Bed - Land - T: Add C to your mana pool. 6, T, Sacrifice Spawning Bed: Put three 1/1 colorless Eldrazi Scion creature tokens onto the battlefield. They have “Sacrifice this creature: Add C to your mana pool.”

Spawning Breath - 1R - Instant - Spawning Breath deals 1 damage to target creature or player. Put a 0/1 colorless Eldrazi Spawn creature token onto the battlefield. It has “Sacrifice this creature: Add C to your mana pool.”

Spawnshire of Ulamog - 10 - Creature - Eldrazi - 7/11 - Annihilator 1. 4: Put two 0/1 colorless Eldrazi Spawn creature tokens onto the battlefield. They have “Sacrifice this creature: Add C to your mana pool.” 20: Cast any number of Eldrazi cards you own from outside the game without paying their mana costs.

Spoils of Evil - 2B - Instant - For each artifact or creature card in target opponent’s graveyard, add C to your mana pool and you gain 1 life.

Springjack Pasture - Land - T: Add C to your mana pool. 4, T: Put a 0/1 white Goat creature token onto the battlefield. T, Sacrifice X Goats: Add X mana of any one color to your mana pool. You gain X life.

Stalking Stones - Land - T: Add C to your mana pool. 6: Stalking Stones becomes a 3/3 Elemental artifact creature that’s still a land.

Starlit Sanctum - Land - T: Add C to your mana pool. W, T, Sacrifice a Cleric creature: You gain life equal to the sacrificed creature’s toughness. B, T, Sacrifice a Cleric creature: Target player loses life equal to the sacrificed creature’s power.

Stensia Bloodhall - Land - T: Add C to your mana pool. 3BR, T: Stensia Bloodhall deals 2 damage to target player.

Strip Mine - Land - T: Add C to your mana pool. T, Sacrifice Strip Mine: Destroy target land.

Su-Chi - 4 - Artifact Creature - Construct - 4/4 - When Su-Chi dies, add CCCC to your mana pool.

Sulfurous Springs - Land - T: Add C to your mana pool. T: Add B or R to your mana pool. Sulfurous Springs deals 1 damage to you.

Sunastian Falconer - 3RG - Legendary Creature - Human Shaman - 4/4 - T: Add CC to your mana pool.

Sunhome, Fortress of the Legion - Land - T: Add C to your mana pool. 2RW, T: Target creature gains double strike until end of turn.

Sunken Ruins - Land - T: Add C to your mana pool. U/B, T: Add UU, UB, or BB to your mana pool.

Sunseed Nurturer - 2W - Creature - Human Druid Wizard - 1/1 - At the beginning of your end step, if you control a creature with power 5 or greater, you may gain 1 life. T: Add C to your mana pool.

Svogthos, the Restless Tomb - Land - T: Add C to your mana pool. 3BG: Until end of turn, Svogthos, the Restless Tomb becomes a black and green Plant Zombie creature with “This creature’s power and toughness are each equal to the number of creature cards in your graveyard.” It’s still a land.

Swarmyard - Land - T: Add C to your mana pool. T: Regenerate target Insect, Rat, Spider, or Squirrel.

Tainted Field - Land - T: Add C to your mana pool. T: Add W or B to your mana pool. Activate this ability only if you control a Swamp.

Tainted Isle - Land - T: Add C to your mana pool. T: Add U or B to your mana pool. Activate this ability only if you control a Swamp.

Tainted Peak - Land - T: Add C to your mana pool. T: Add B or R to your mana pool. Activate this ability only if you control a Swamp.

Tainted Wood - Land - T: Add C to your mana pool. T: Add B or G to your mana pool. Activate this ability only if you control a Swamp.

Talisman of Dominance - 2 - Artifact - T: Add C to your mana pool. T: Add U or B to your mana pool. Talisman of Dominance deals 1 damage to you.

Talisman of Impulse - 2 - Artifact - T: Add C to your mana pool. T: Add R or G to your mana pool. Talisman of Impulse deals 1 damage to you.

Talisman of Indulgence - 2 - Artifact - T: Add C to your mana pool. T: Add B or R to your mana pool. Talisman of Indulgence deals 1 damage to you.

Talisman of Progress - 2 - Artifact - T: Add C to your mana pool. T: Add W or U to your mana pool. Talisman of Progress deals 1 damage to you.

Talisman of Unity - 2 - Artifact - T: Add C to your mana pool. T: Add G or W to your mana pool. Talisman of Unity deals 1 damage to you.

Tarnished Citadel - Land - T: Add C to your mana pool. T: Add one mana of any color to your mana pool. Tarnished Citadel deals 3 damage to you.

Tectonic Edge - Land - T: Add C to your mana pool. 1, T, Sacrifice Tectonic Edge: Destroy target nonbasic land. Activate this ability only if an opponent controls four or more lands.

Temple of the False God - Land - T: Add CC to your mana pool. Activate this ability only if you control five or more lands.

Tendo Ice Bridge - Land - Tendo Ice Bridge enters the battlefield with a charge counter on it. T: Add C to your mana pool. T, Remove a charge counter from Tendo Ice Bridge: Add one mana of any color to your mana pool.

Terminal Moraine - Land - T: Add C to your mana pool. 2, T, Sacrifice Terminal Moraine: Search your library for a basic land card and put that card onto the battlefield tapped. Then shuffle your library.

Terrain Generator - Land - T: Add C to your mana pool. 2, T: You may put a basic land card from your hand onto the battlefield tapped.

Thalakos Lowlands - Land - T: Add C to your mana pool. T: Add W or U to your mana pool. Thalakos Lowlands doesn’t untap during your next untap step.

Thespian’s Stage - Land - T: Add C to your mana pool. 2, T: Thespian’s Stage becomes a copy of target land and gains this ability.

Thought Vessel - 2 - Artifact - You have no maximum hand size. T: Add C to your mana pool.

Thran Dynamo - 4 - Artifact - T: Add CCC to your mana pool.

Thran Turbine - 1- Artifact - At the beginning of your upkeep, you may add C or CC to your mana pool. You can’t spend this mana to cast spells.

Tomb of the Spirit Dragon - Land - T: Add C to your mana pool. 2, T: You gain 1 life for each colorless creature you control.

Tower of the Magistrate - Land - T: Add C to your mana pool. 1, T: Target creature gains protection from artifacts until end of turn.

Tranquil Garden - Land - T: Add C to your mana pool. T: Add G or W to your mana pool. Tranquil Garden doesn’t untap during your next untap step.

Twilight Mire - Land - T: Add C to your mana pool. B/G, T: Add BB, BG, or GG to your mana pool.

Underground River - Land - T: Add C to your mana pool. T: Add U or B to your mana pool. Underground River deals 1 damage to you.

Unholy Grotto - Land - T: Add C to your mana pool. B, T: Put target Zombie card from your graveyard on top of your library.

Unknown Shores - Land - T: Add C to your mana pool. 1, T: Add one mana of any color to your mana pool.

Unstable Frontier - Land - T: Add C to your mana pool. T: Target land you control becomes the basic land type of your choice until end of turn.

Unstable Obelisk - 3 - Artifact - T: Add C to your mana pool. 7, T, Sacrifice Unstable Obelisk: Destroy target permanent.

Untaidake, the Cloud Keeper - Legendary Land - Untaidake, the Cloud Keeper enters the battlefield tapped. T, Pay 2 life: Add CC to your mana pool. Spend this mana only to cast legendary spells.

Ur-Golem’s Eye - 4 - Artifact - T: Add CC to your mana pool.

Urza’s Factory - Land - Urza’s - T: Add C to your mana pool. 7, T: Put a 2/2 colorless Assembly-Worker artifact creature token onto the battlefield.

Urza’s Mine - Land - Urza’s Mine - T: Add C to your mana pool. If you control an Urza’s Power-Plant and an Urza’s Tower, add CC to your mana pool instead.

Urza’s Power Plant - Land - Urza’s Power-Plant - T: Add C to your mana pool. If you control an Urza’s Mine and an Urza’s Tower, add CC to your mana pool instead.

Urza’s Tower - Land - Urza’s Tower - T: Add C to your mana pool. If you control an Urza’s Mine and an Urza’s Power-Plant, add CCC to your mana pool instead.

Vault of the Archangel - Land - T: Add C to your mana pool. 2WB, T: Creatures you control gain deathtouch and lifelink until end of turn.

Vec Townships - Land - T: Add C to your mana pool. T: Add G or W to your mana pool. Vec Townships doesn’t untap during your next untap step.

Vitu-Ghazi, the City-Tree - Land - T: Add C to your mana pool. 2GW, T: Put a 1/1 green Saproling creature token onto the battlefield.

Void Attendant - 2G - Creature - Eldrazi Processor - 2/3 - Devoid. 1G, Put a card an opponent owns from exile into that player’s graveyard: Put a 1/1 colorless Eldrazi Scion creature token onto the battlefield. It has “Sacrifice this creature: Add C to your mana pool.”

Volrath’s Stronghold - Legendary Land - T: Add C to your mana pool. 1B, T: Put target creature card from your graveyard on top of your library.

Warden of the Wall - 3 - Artifact - Warden of the Wall enters the battlefield tapped. T: Add C to your mana pool. As long as it’s not your turn, Warden of the Wall is a 2/3 Gargoyle artifact creature with flying.

Wasteland - Land - T: Add C to your mana pool. T, Sacrifice Wasteland: Destroy target nonbasic land.

Waterveil Cavern - Land - T: Add C to your mana pool. T: Add U or B to your mana pool. Waterveil Cavern doesn’t untap during your next untap step.

Winding Canyons - Land - T: Add C to your mana pool. 2, T: Until end of turn, you may play creature cards as though they had flash.

Wintermoon Mesa - Land - Wintermoon Mesa enters the battlefield tapped. T: Add C to your mana pool. 2, T, Sacrifice Wintermoon Mesa: Tap two target lands.

Wirewood Lodge - Land - T: Add C to your mana pool. G, T: Untap target Elf.

Wizards’ School - Land - T: Add C to your mana pool. 1, T: Add U to your mana pool. 2, T: Add W or B to your mana pool.

Wooded Bastion - Land - T: Add C to your mana pool. G/W, T: Add GG, GW, or WW to your mana pool.

Workhorse - 6 - Artifact Creature - Horse - 0/0 - Workhorse enters the battlefield with four +1/+1 counters on it. Remove a +1/+1 counter from Workhorse: Add C to your mana pool.

Worn Powerstone - 3 - Artifact - Worn Powerstone enters the battlefield tapped. T: Add CC to your mana pool.

Yavimaya Coast - Land - T: Add C to your mana pool. T: Add G or U to your mana pool. Yavimaya Coast deals 1 damage to you.

Yavimaya Hollow - Legendary Land - T: Add C to your mana pool. G, T: Regenerate target creature.