Asuna, Berserker Healer

+1: Until end of turn, Asuna, Berserker Healer becomes an indestructible 5/5 Human Knight creature that's still a planeswalker. Prevent all damage.
+1: You gain 5 life.
-8: You get an emblem with "Creatures you control get +1/+2 and have haste and lifelink."