Sviskr, Master of Magic

+2: Put a 3/3 elemental creature onto the battlefield with "When this creature enters the battlefield, it gains all abilities of target creature".
-3: Until your next turn, you may cast up to two non-land cards from a graveyard as if it had flash.
-12: Sviskr, Master of Magic becomes a 15/10 indestructible creature with all creature types and has all abilities of all creatures on the battlefield