Sloppity Bilepiper (40K-059) - Warhammer 40,000 Commander

Jolly Gutpipes — , , Sacrifice a creature: The next creature spell you cast this turn has cascade. (When you cast your next creature spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)