Malboro, the Mad Oscar

Mako (When this card enters the battlefield, each
player must pay {2} or lose 2 life.)
Reach, trample
Whenever Malboro, the Mad Oscar blocks or
becomes blocked by a creature, put a -1/-1
counter on that creature untill the end of turn.
"They are renowned for dreaded Bad Breath, which
can inflict many ill effects on its targets."