Nicol Bolas

+4: Destroy all non land permanents and creatures exept for yours. Add 10 mana to your pool.
-4: Exile all lands exept yours. You gain 1 life for every land exiled.
-10: If any other planeswalkers are on the battlefeild, exile them. Each opponent chooses one Creature,or spell, and put the rest in there graveyard.