Crumbling Necropolis

Crumbling Necropolis enters the battlefield tapped.
{t}: Add {u} , {b} , or {r} to your mana pool.
"They say the ruins of Sedraxis were once a shining capital in Vithia. Now it is a blight, a place to be avoided by the living."
-Oclot, Rider of Joffik