Loura, Kingdom of the Wise

{t}: Add {u} to your mana pool.
{t}: Add {u}{u} to your mana pool if you control
one more Kingdom Land.
{t}: Add {u}{u}{u} to your mana pool if you control two or more Kingdom Lands.
As long as you control two or more Kingdom Lands, Loura, Kingdom of the Wise is a 6/6 blue creature with hexproof in addition to its other card types.