Wreign, Frost Ancient

+3: Tap target creature. It doesn't untap on its controllers next untap step.
0: Wreign, Frost Ancient becomes a 6/6 legendary elemental creature with indestructible until end of turn. He's still a planeswalker.
-11: You get an emblem with "At the beginning of your upkeep, create a 6/6 blue elemental creature token with trample."