Cocytus

[+1]: Until end of turn, Gideon, Ally of Zendikar becomes a 5/5 Human Soldier Ally creature with indestructible that's still a planeswalker. Prevent all damage that would be dealt to him this turn.

[0]: Put a 2/2 white Knight Ally creature token onto the battlefield.

[-4]: You get an emblem with "Creatures you control get +1/+1."