Queen's Bay Paladin is a rare Creature — Vampire Knight card from The Lost Caverns of Ixalan (LCI), collector number 368. Current market price: $0.32 (foil $0.36), TCGplayer market prices via Scryfall.
Whenever this creature enters or attacks, return up to one target Vampire card from your graveyard to the battlefield with a finality counter on it. You lose life equal to its mana value. (If a creature with a finality counter on it would die, exile it instead.)