Kyoki, Sanity's Eclipse

Discard and exile sit in different corners of the disruption space, and this Demon Spirit picks the meaner one. Most hand attack lets the opponent pitch a spent card to the graveyard, where recursion can claw it back later; here, each trigger sends a card from their hand straight to exile, gone for good. The opponent still chooses which one to lose, so they will feed it their least useful card each time, but nothing comes back, which makes this a slow strip-mining of a hand rather than a single targeted hit. The effect rides the Spirit-matters and Arcane chassis that black's tribal decks of its era were built around, so a board already chaining cheap creatures and channeling triggers turns each play into incidental, repeatable hand denial that piggybacks on lines you were running anyway. The body is the catch: a 6/4 with no evasion and a toughness that folds to most combat and a wide band of removal, so the engine often fires only a handful of times before it falls over. That fragility is the price the design pays for bolting a passive grind-them-out clock onto a six-drop that does nothing the turn it lands. The distinctive part is the direction: it does not race, it does not trade, it just empties a hand one trigger at a time, and what it takes never returns.