Anduin, King of Stormwind

: Whenever you activate the loyalty abilities of Alliance planewalkers you control, put a loyalty counter on Anduin, King of Stormwind.
0: Until end of turn, Anduin becomes an indestructible human cleric with power and toughness each equal to his loyalty. He is still a planeswalker.
-10: Tap all creatures your opponent controls. Until end of turn creatures you control have vigilance and lifelink.