Ajax, Shield of the Kasai

+2: Until the beginning of your next upkeep, Ajax, Shield of the Kasai becomes a 0/12 Kasai Soldier with indestructible. It is still a planeswalker.
-7: Creatures you control gain hexproof and indestructible until the beginning of you next upkeep step.
-15: You get and emblem with "Creatures you control gain +0/+2 and have hexproof."