City of Brass

The City of Brass was a city on Rabiah constructed by Fatima. It was in habited by Efreeti and Fatima's Brass Men. It is a source of power to planeswalkers, providing any color of mana for a price.

Game Mechanics

City of Brass, sometimes refered to as CoB, was the first land able to produce any color of mana. Originally printed in Arabian Nights, then later in Chronicles and several Base Sets. It was removed from Ninth Edition in favor of the Pain Lands, to make the set mesh well with Ravnica Block.