Fetid-works
Enchantment Land (Rare)

(Fetid-works isn't a spell.)

Fetid-works enters the battlefield tapped unless you pay B.

Whenever a card is put into a graveyard from anywhere, exile that card.

Tap: Add U or B to your mana pool.

Put Fetid-works on top of your library: Add 1 to your mana pool.

Carl Prescott