Theren, King of the Small

0: Create a 1/1 green squirrel creature token, then put a loyalty counter on this planeswalker for each squirrel you control.
-3: Exile target nonland, noncreature permanent with converted mana cost less than the number of squirrels you control
-12: You get an emblem with "Squirrels you control gain trample and have base power and toughness 4/4"