Bloodhall Priest is a rare Creature — Vampire Cleric card from Eldritch Moon (EMN), collector number 181. Current market price: $0.11 (foil $0.31), TCGplayer market prices via Scryfall.
Whenever this creature enters or attacks, if you have no cards in hand, this creature deals 2 damage to any target. Madness {1}{B}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)