Urex, City of the Forbidden

Urex, City of the Forbidden, enters the battlefield tapped.

{t}: Add {r},{b}, or {u}to your mana pool.

{r}{u}{2}, {t}, Sacrifice a land you control: The next instant or sorcery spell you cast can be played without paying its mana cost. If that spell deals damage, it deals 3 additional damage.

"They play with time and break minds. To them, reality bends to their will. Masters of the known. They will know nothing, not even the truth." — Orath, the Mana Seeker