Prismia, Paradise Found

Prismia, Paradise Found enters the battlefield tapped.
{t}: add {g} to your mana pool.
{1}{t}: Add one mana of any color to your
mana pool. If this mana is used to cast a creature spell, that creature has sunburst
(this enters the battlefield with a +1/+1 counter
on it for each color of mana spent to cast it).