Cabal Coffers

{2}, {t}: Add {b} to your mana pool for each
Swamp you control.
The Abyss Watchers are a group of Undead warriors who acted in the dark, seeking out any
sign of the Abyss, fighting a constant war with
it's abominations. They guard the corrupted spirit of High Lord Wolnir, having confined him deep within the catacombs of Carthus.