Modern Masters

Death Rattle

Delve (You may exile any number of cards from your graveyard as you cast this spell. It costs {1} less to cast for each card exiled this way.)
Destroy target nongreen creature. It can't be regenerated.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Destroy target nongreen creature. It can't be regenerated.

Future Sight

Delve (You may remove any number of cards in your graveyard from the game as you play this spell. It costs {1} less to play for each card removed this way.)
Destroy target nongreen creature. It can't be regenerated.