Grindle-Gots, Teeth Theef

Menace, haste
When Grindle-Gots, Teeth Theef enters the battlefield or attacks, for each opponent, put a
-1/-1 counter on target creature that player
controls.
Grindle-Gots gets +1/+1 for each opponent that controls a creature with a -1/-1 counter on it.
{r},{t}: Target creature with a -1/-1 counter on it
fights Grindle-Gots.