Damon, the ruthless

Trample, haste, menace
Persist (when this creature is put into a graveyard
from play, if it had no -1/-1 counters on it, return it to
play under its owner's control with a -1/-1 counter on
it.)
This card must attack every turn if able.
Whenever Damon, the ruthless attacks, if it's
blocked by one or more creatures, it gets a +1/+1 counter.
"Sm...ash..."