Elenda's Hierophant is a rare Creature — Vampire Cleric card from The List (PLST), collector number LCC-71. Current market price: $3.50, TCGplayer market prices via Scryfall.
Flying Whenever you gain life, put a +1/+1 counter on this creature. When this creature dies, create X 1/1 white Vampire creature tokens with lifelink, where X is its power.