Master of Cruelties is a mythic Creature — Demon card from Ravnica Remastered (RVR), collector number 373. Current market price: $4.42 (foil $4.43), TCGplayer market prices via Scryfall.
First strike, deathtouch This creature can only attack alone. Whenever this creature attacks a player and isn't blocked, that player's life total becomes 1. This creature assigns no combat damage this combat.