Queen's Bay Paladin is a rare Creature — Vampire Knight card from The Lost Caverns of Ixalan Promos (PLCI), collector number 115p. Current market price: $0.20 (foil $0.56), 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.)