Ace, the Dead Shot

+4: Deal 4 damage to target player or planeswalker, choose 4 creatures, you can either exile them or take control of them
-8: Exile target Planeswalker, if this planeswalker has 4 or more loyalty, turn it into a 12/12 creature token with lifelink
-15: Exile all enemy planes walkers and two of your own, deal damage to target player equel to the loyalty of the planeswalkers you exiled.