Baron Bertram Graywater is a uncommon Legendary Creature — Vampire Noble card from Outlaws of Thunder Junction (OTJ), collector number 195. Current market price: $0.32 (foil $0.39), TCGplayer market prices via Scryfall.
Whenever one or more tokens you control enter, create a 1/1 black Vampire Rogue creature token with lifelink. This ability triggers only once each turn. {1}{B}, Sacrifice another creature or artifact: Draw a card.