Karrpack Scavenger

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)
Whenever another creature is put into a graveyard from play you may exile it. If you do
put a +1/+1 counter on Karrpack Scavenger.
The emerging sentience of the lhurgoyfs was a terrifying thing to behold.