Bill Cipher, Demon King

+2: Two target players at random choose one non-land permanent (other then Bill). They both gain control of each others chosen permanent.
-1: Create two 1/1 Weird Demon token with "When this creature dies gain control of target creature."
-8: Flip 3 coins. If 2 out 3 coins turn out to be heads, Target player loses the game and you gain control of all there non-land permanents.