An on Aztec Mythology focused draft set.

Mechanics:

Blessing (When the nontoken creature this is attached to would leave the battlefield, create a 1/1 spirit creature token and attach this to it.) - UB

Grieve X (Pay X mana, exile this card from your graveyard: Draw a card. Grieve only as a sorcery.) - WG

Embellish (When you cast this spell, exile target card that has a lesser converted mana cost from your graveyard. If you exile a permanent card this way, create a token that's a copy of it. If it is an instant or sorcery, cast a copy of it.) - BR

Recycling X (Pay X mana, exile this card from your graveyard: Create a X/X colorless Golem artifact creature token, where X is the exiled card’s converted mana cost.) - GB

Weave (If you have cast another spell this turn, {effect}.) - UWR

Oblation of {Cardtype} (T: Sacrifice a {Cardtype}. Then transform this card. Oblate only as a sorcery.) - BW

Ethereal (If damage dealt by this card would destroy a creature, return it to its owner’s hand instead) - UGR

Harden (At the end of combat, if this creature has been dealt damage this turn, {effect}.) - GC

Jade Token (At the end of your turn, Jade deals 1 damage to you. Pay 2 mana: Sacrifice Jade.) - GB