Blood Celebrant

Mono-black has never had a clean answer to the off-color splash, and this little Cleric is the genre's answer to the problem: a creature that turns a single swamp's worth of mana into any color you ask of it, paying for the privilege in life rather than card slots. The trade is the design's whole logic. Where a fetchland or a dual would dilute a deck's land base, this asks for nothing but a body on the battlefield and a steady drip from your life total, which is exactly the resource black is most comfortable burning. That makes it a fixer for decks that want to stay nominally one color while reaching for a splash, and a sacrifice-fodder body besides: a 1/1 that has already done its job once it has filtered the mana you needed. The lineage runs through black's long history of life-as-currency creatures, the cards that let you pay in something other than cards to get what other colors get for free. Birds of Paradise it is not; the life cost and the black-mana cost per activation keep it honest, so it serves the grindy, life-rich builds rather than the explosive ones. It is plumbing, but plumbing built specifically for the color least willing to bend its mana base to get it.