Workshop Hunter

As Workshop Hunter enters the battlefield you may sacrifice a Beast. If you do, Workshop Hunter enters with two +1/+1 counters and a Bloodlust counter.

Bloodlust 3 (Whenever this creature deals or recieves damage, it gains a Bloodlust counter. During your next postcombat main phase, if it has X Bloodlust counters, exile it and return it transformed under its owner's control.