Anaki, of Warming Rays

Flying, lifelink, sunburst, sunburst (This enters with
a charge counter on it for each color of mana spent to
cast it. Multiple instances of sunburst each trigger separately.)

{1}{g}{w}, Remove one or more charge counters from
Anaki: Create a 0/1 green plant creature token,
then if three or more charge counters are removed
this way, populate then proliferate. Activate this
ability only once each turn.