Jar-'o-Fireflies

Jar-'o-Fireflies enters the battlefield with three light counters on it.
Remove a light counter from Jar-'o-Fireflies: Create a 0/1 white Insect creature token with flying and "{t}, Sacrifice this creature: add {w} to your mana pool."
{g/w}: Place a light counter on Jar-'o-Fireflies.