Wigglytuff

Reach, Trample

Competitive - Whenever this creature gets a -1/-1 counter, it instead gets a +1/+1 counter.
Cute Charm - Whenever this creature takes combat damage by another creature, put an infatuated counter on that creature, then you control that creature as long as it has one or more infatuated counters on it.
(Infatuated counter - reduce by 1 at the beginning of your end step)