Thorn the Crowned

+2: Put a +1/+1 counter on each of up to 2 target creatures you control with power 3 or less.
0: Gain control of up to 2 target creatures your opponents control with power 3 or less until end of turn.
-10: Up to 2 target Planeswalkers are returned to their starting loyalty, and you are returned to 20 life, if your curent life total is below 20.