
Buyback—Discard two cards. (You may discard two cards in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)
Search your library for a card, put that card into your hand, then shuffle.
Demonic Collusion has 1 printing, first in Time Spiral (2006). EDHREC ranks it #15,590 among Commander cards. It appears most in Iname, Death Aspect decks (57 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.