Nicol Bolas the Mighty

+3: Nicol Bolas the Mighty deals 1 damage to target creature. If you control 3 or more creatures, tap that creature.
-2: Destroy target creature. If you control 5 or more creatures, you may draw a card. If you do, discard a card.
-12: Exile all creatures target opponent controls. That player discards his or her hand and loses 5 life.