Jax, the Unbound

: Creatures you control get +1/+0.
+1: Create a 1/1 black and red Devil creature token with "When this creature dies, deal 1 damage to any target." for each creature you control.
-2: Until end of turn, Jax, the Unbound becomes a 6/6 Demon creature with flying and indestructible thats still a planeswalker.