Artifact

o0: Sacrifice Goblin Lyre. Flip a coin; target opponent calls heads or tails while coin is in the air. If the flip ends up in your favor, Goblin Lyre deals * damage to that opponent, where * is equal to the number of creatures you control. Otherwise, Goblin Lyre deals * damage to you, where * is equal to the number of creatures the opponent controls.

Artist(s): Mike Kimble