Dark Apostle [Warhammer 40,000]

Set: Warhammer 40,000 Type: Creature — Astartes Warlock Rarity: Rare Cost: {3}{R} Gift of Chaos — {3}, {T}: The next noncreature spell you cast this turn has cascade. (When you cast that 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.)