Name: Sentry of the Underworld Cost: 3WB CMC: 5 Color: WB CID: WB Type: Creature -- Griffin Skeleton Pow/Tgh: 3/3 Rules Text: Flying, vigilance {W}{B}, Pay 3 life: Regenerate this creature. Set/Rarity: Theros uncommon Set Code: THS-U Legality: Legal in pioneer, Legal in modern, Legal in vintage, Legal in penny, Legal in commander, Legal in duel, Legal in oathbreaker, Legal in legacy Price: $0.06 Foil price: $0.20