Malacian Sin, Unshackled

+2: Until end of turn, Malacian Sin, Unshackled becomes a 6/6 Malacian Warrior creature with flying that's still a planeswalker.
-3: Exile target creature. Gain life equal to that creature's power.
-12: Exile all nonland permanents. Create a 10/10 colorless creature token named Avatar of Sin with flying, indestructible and haste.