Hog-Monkey (Avatar: The Last Airbender)

Creature Ñ Boar Monkey - At the beginning of combat on your turn, target creature you control with a +1/+1 counter on it gains menace until end of turn. (It can't be blocked except by two or more creatures.)
Exhaust Ñ {5}: Put two +1/+1 counters on this creature. (Activate each exhaust ability only once.)