Ippo Makunouchi, Pro Boxer

Fighting Spirit—Whenever Ippo Makunouchi, Pro Boxer deals combat damage
to an opponent, put that many +1/+1 counters on it.
Dempsey roll—Remove ten +1/+1 counters from Ippo Makunouchi: Take an extra turn after this one. You can't activate this ability during extra turns. Activate only as a sorcery.