Zinogre, Crushing Storm

Trample, Agility {1}{g}

Whenever you cast an instant or sorcery, put a charge counter on Zinogre, Crushing Storm.
Whenever Zinogre, Crushing Storm attacks, if it
has three or more charge counters on it, create a 1/1 green insect creature token with flying.
{r/g}{r/g},{t}: Zinogre, Crushing Storm deals X damage to any target, where X is the number of insects you control.