Osiris, King of the Dead

+2: Discard a card: you may play an additional land this turn.
-X: Exile X cards from your graveyard. Create tokens that are copys of them, except they're 4/4 Black Zombies.
-4: Destroy target creature with Power less than 4. Create a token that's a copy of it, but it's a 3/3 colorless Zombie.