Kytheon, Immortal Akroan

+1: Kytheon, Immortal Akroan becomes a 5/6 Human Soldier that's still a planeswalker until end of turn. Prevent all damage done to him this turn.
0: Creatures you control get +1/+2 and gain vigilance until end of turn.
-3: You get an emblem with "Creatures you control have vigilance and get +2/+2 as long as they're attacking or blocking."