Havoc, Guardian of Luck

: Each creature and planeswalker card you own that isn't on the battlefield has madness. The madness cost is equal to its mana cost.
+1: Create a 1/1 red Rabbit creature token with "when this creature dies it deals 2 damage to any target."
-2: Each player flips a coin; if heads they draw a card, if tails they discard a card.