Yajuta, Skullhunter

Flying, Vigilance, Haste, Hunter (Whenever this creature attacks you may search opponents library for a creature card and exile that card and place a skull counter on this creature) At the beginning of your end step, create X 2/2 black Demon creature tokens with flying and deathtouch, where X is the number of skull counters on Yajuta Skull Hunter. {Skulls adorn the throne of endless hunt.}{left}