Timmy, Storm of Chaos

0: Until your next turn all spells' targets are random and whenever a player casts a spell targeting you or Timmy, put a loyalty on Timmy
-3: each player reveals a random card in their hand, then deals X damage to each creature they control equal to its converted mana cost
-9: You get an emblem with "whenever a spell is cast flip a coin, if heads cast that spell, if tails that spell looses all effects and gains cascade"