Vamping Vampire is a uncommon Creature — Vampire Advisor card from Unknown Event (UNK), collector number UB03a. Current market price: $20.60, TCGplayer market prices via Scryfall.
Flying, lifelink Plot {2}{B} Whenever you cast a spell while this card is exiled, put a stall counter on it. When this creature enters, it deals damage equal to the number of stall counters that were on it to target creature an opponent controls.