Centaur Safeguard is a common Creature — Centaur Warrior card from Ravnica: City of Guilds (RAV), collector number 244. Current market price: $0.14 (foil $0.33), TCGplayer market prices via Scryfall.
({G/W} can be paid with either {G} or {W}.) When this creature dies, you may gain 3 life.