Thallid Omnivore

Feed it any creature and it pumps; feed it a Saproling and the two life comes back too. That split payout is the design's real content: the pump is universal, but only the token this card was built alongside pays the attrition back, a deliberate steer toward the Fungus-and-Saproling engine that manufactures disposable bodies faster than it loses them. As a sacrifice outlet it is throttled rather than free: one mana per activation taxes each sacrifice, so it reads less as a combo enabler and more as an attacker that grows in increments while converting spent tokens into reach and a life buffer. The 3/3 body is plain by design; the value sits in what surrounds it. Away from a token shell it is a four-drop that eats your own creatures for temporary stats, unremarkable and self-cannibalizing. Inside a deck built to produce chaff, it turns a wide, fragile board into one durable threat with life gain stapled on. The Saproling clause is what keeps the reward inside its tribe: a generic black sacrifice pile can borrow the pump, but not the life, so the full payoff belongs to the synergistic build it was made for.