A New Dark Contract for D/D Decks appears in the Dimension Box, that supplements Summoning from the Extra Deck!

DBLE-JP023 異形神の契約書 Ikyoujin no Keiyakusho / Dark Contract with the Grotesque Entity

Continuous Spell Card

(1) When a “D/D/D” monster(s) is Special Summoned from the Extra Deck to your side of the field, you can activate these effects depending on the monster(s) Summoned, once per turn per effect:

• Fusion: Gain 1000 LP.

• Synchro: That Special Summoned monster(s) cannot be targeted by your opponent’s card effects.

• Xyz: Banish 1 card on the field or in either Graveyard.

• Pendulum: Draw 1 card, then discard 1 card.

(2) Once per turn, during your Standby Phase: Take 2000 damage.

Source