Valley of Defilement

Indestructible
Whenever you tap Valley of Defilement with Black Tendency, discard a card.

{t}Add {b} or {g}
{t}If you have White Tendency add {g}{b}

"This humid valley is a haven for the used and forgotten. Its inhabitants, afflicted by poison and plague, await their deaths in this forsaken place, attacking those who wander in."