Deathclaw Matriarch

Menace, protection from mana value 3 or less
Deathclaw Matriarch enters the battlefield with
X plus 1 egg counters on it. At the beginning of
your end step, you may tap Deathclaw Matriarch
and remove an egg counter. If you do, create a
4/4 green mutant lizard creature token.
Whenever another lizard you control dies,
destroy target creature an opponent controls.