Qarsi Sadist is a common Creature — Human Cleric card from Dragons of Tarkir (DTK), collector number 113. Current market price: $0.12 (foil $0.49), TCGplayer market prices via Scryfall.
Exploit (When this creature enters, you may sacrifice a creature.) When this creature exploits a creature, target opponent loses 2 life and you gain 2 life.