Anubis, Ruler of Duat

-5: Create five 2/2 black zombie tokens and place them on the battlefield, tapped, and attacking.
-10: Anubis attacks as a 10/10 creature with first strike, death touch, and menace.
-15: Destroy all cards on the battlefield; except Anubis. Ask Anubis how much your heart weighs, then flip a coin. Winner wins the game.