Shadowgrange Archfiend is a rare Creature — Demon card from Crimson Vow Commander (VOC), collector number 22. Current market price: $6.78, TCGplayer market prices via Scryfall.
When this creature enters, each opponent sacrifices a creature with the greatest power among creatures they control. You gain life equal to the greatest power among creatures sacrificed this way. Madness—{2}{B}, Pay 8 life. (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)