Temple to Ialai

Temple to Ialai enters the battlefield
tapped.
{t}: Add {u} or {g} to your mana pool.
{u}{u}{g}{g}, {t}: Until end of turn, Temple to Ialai
gains "Creatures you control have '{t}: Add 1
mana of any color to your mana pool.'"
There is no end to nature's wonders.