Guul Draz Vampire is a common Creature — Vampire Rogue card from Zendikar (ZEN), collector number 93. Current market price: $0.23 (foil $2.14), TCGplayer market prices via Scryfall.
As long as an opponent has 10 or less life, this creature gets +2/+1 and has intimidate. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.)