Urithiru, City of Radiance

Urithiru, City of Radiance enters the battlefield tapped unless you control a Knights Radiant.

{t}: Add one mana of any color. If you control 3 or more Knights Radiant, add two mana of any color instead.

"There were no clouds here to bring the darkness. This place was above them all. Urithiru ruled even the clouds." -Szeth