Archon of Cruelty is a mythic Creature — Archon card from Modern Horizons 2 (MH2), collector number 75. Current market price: $8.42 (foil $14.70), TCGplayer market prices via Scryfall.
Flying Whenever this creature enters or attacks, target opponent sacrifices a creature or planeswalker of their choice, discards a card, and loses 3 life. You draw a card and gain 3 life.