Carcere, Polymorph Witch

+2: Exile target creature. Its controller creates your choice of a 2/2 green Boar creature token or a white Goat creature token.
-6: Target opponent loses 1 life for each Boar and Goat on the battlefield. Gain control of all Boars and Goats and put a +1/+1 counter on them.
: Protection from from Boars and from Goats. Carcere, Polymorph Witch can be your commander.