Dawn of the Dead
A reanimation engine that refuses to let you keep what you raise. Most return-from-the-graveyard effects of its era either reanimated permanently for a steep cost (Reanimate, Animate Dead) or shuttled a creature back for a single attack. This splits the difference into a recurring loop: every upkeep it offers another creature with haste, then yanks it away at the end step, charging you a point of life for the privilege. The exile clause is what turns it from a value enchantment into a puzzle. A creature returned this way leaves on the next end step via exile, so the natural line is to sacrifice it, blink it, or otherwise cash it for value before the engine reclaims it: feed it to a sacrifice outlet, swing once, or trigger an enters-the-battlefield ability before the lights go out. Built honestly it is a one-attack-per-turn beatstick that drains your own life total; built with intent it becomes an aristocrats loop, recurring a creature with a death trigger or an ETB you can monetize every turn. The triple-black cost and the steady life drain are the brakes: this is a card for decks already swimming in black mana and willing to bleed for an engine that never stops asking for fuel.
