Bloodletter Greatjaw

Morbid -- If a creature died this turn, you may cast Bloodletter Greatjaw as though it had flash.
Mutated 3 (You may have this creature enter the battlefield with 3 -1/-1 counters on it. If you do, it it mutated.)
As long as Bloodletter Greatjaw is mutated, it has deathtouch and "whenever a creature an opponent controls dies, remove a -1/-1 counter from Bloodletter Greatjaw".