Shauku, Endbringer is a rare Legendary Creature — Vampire card from Mirage (MIR), collector number 142. Current market price: $2.38, TCGplayer market prices via Scryfall.
Flying Shauku can't attack if there's another creature on the battlefield. At the beginning of your upkeep, you lose 3 life. {T}: Exile target creature and put a +1/+1 counter on Shauku.