Menla, Kingdom of the Farlands

{t}: Add {g} to your mana pool.
{t}: Add {g}{g} to your mana pool if you control
one more Kingdom Land.
{t}: Add {g}{g}{g} to your mana pool if you control two or more Kingdom Lands.
As long as you control two or more Kingdom Lands, Menla, Kingdom of the Farlands is a 6/6 green creature with trample in addition to its other card types.