Ceaseless Ruins

Untap Ceaseless Ruins during each other player's untap step.
{p/c}{t}: Add one mana of any color to your mana pool. Ceasless Ruins doesn't untap during the next untap step.
Malapor was an artificial plane made by Bolas using part of Ravnica and the corpse of Memnarch. After the Spark War, it is now a never ending world of ruins.