Skirsdag High Priest is a rare Creature — Human Cleric card from Innistrad Remastered (INR), collector number 132. Current market price: $0.32 (foil $0.36), TCGplayer market prices via Scryfall.
Morbid — {T}, Tap two untapped creatures you control: Create a 5/5 black Demon creature token with flying. Activate only if a creature died this turn.