Repository Skaab

Sacrifice payoffs that key off a creature dying always risk the value never arriving: something has to die, and then something else has to profit from the death, two conditions stapled together. Exploit collapses that into a single moment. The trigger fires when this Zombie enters and you choose to eat a body, so the reward is locked in the instant you commit rather than deferred to a death that a removal spell or a wrath might jump ahead of. Here the reward is a spell hauled back from the graveyard, which pins the card to a particular shell: a deck packing enough burn, bounce, or removal that a second copy of the best one already in the yard is worth trading a creature for. The tension is that the exploit is optional but happens once. Either you have a body worth feeding it (a token, a spent value creature, or the Skaab itself when nothing better is around) or you have a 3/3 that let a sorcery rot in the graveyard. That gate is the point: the recursion is bought with a real sacrifice cost rather than handed over on an unconditional enters-the-battlefield trigger, and it pays off best in a board already built to churn creatures through death. A recursion piece for a deck that treats its own creatures as ammunition, not a standalone engine.