Roaming Ogre

Famished (At the beginning your upkeep, if
this creature did not deal combat damage or
enter the battlefield since you last upkeep,
put a -1/-1 counter on it. )
Sacrifice a Food: Roaming Ogre gets
Invulnerable until end of turn. Remove
up to two -1/-1 counters from it.
Dimwitted, he feels hunger and rage.