Milicent, Raging Floof

+1: all creatures you control get +1/+1 and gains lifelink until end of turn.
0: untill end of turn, Milicent raging Floof becomes a 3/2 mouse barbarian with skulk and indestructable that's still a planeswalker.
-8: you get an emblem with. "whenever you gain life you deal 2 damage to any target" Milacent, Raging Floof can be your commander.