Rotten Haven

Indestructible
Whenever you tap Rotten Haven with Black Tendency, remove a Plague counter from target creature.

{t} Add {w} or {b}
{t} If you have White Tendency, Add {w}{b}

"Beyond the swamp, filled with poisonous jellyfish and giant slugs is a cavern that absorbs all that is unclean, and a shrine of rotten trees erected in honor of a demon. Visitors offer souls to be freed from their notions of suffering."