Kai'sa, Risen Legend

: At the beginning of your end step, put a loyalty counter on Kai'sa for each legendary permanent you control.
0: Until end of turn, Kai'sa becomes an X/X Legendary Human Hero creature with indestructible that's still a planeswalker, where X is its loyalty.
-X: Kai'sa, Risen Legend deals X + 1 damage to target creature.