Dominating Vampire [Innistrad: Double Feature]

Set: Innistrad: Double Feature Type: Creature — Vampire Rarity: Rare Cost: {1}{R}{R} Cascade (When you cast this 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.)Sliver spells you cast have cascade. "You can join me or feed me. Choose fast."