The Worldshaper

+3: Creatures you control get +2/+0 and Haste until the End of the Turn.
-3: Bring one Creature untapped back from from either Players Graveyard under your Control and give it +1/+1 Counter.
-12: Destroy all Cards on your Enemeys Side. After that he discards as many Cards from his Libary as Cards are in his Graveyard.