Your search for "Centaur Safeguard 244" revealed the following:
Centaur Safeguard (Foil) (RAV) from Ravnica: City of Guilds, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Glenn Fabry Card Text:((G/W) can be paid with either G or W.)When Centaur Safeguard is put into a graveyard from play,...
Centaur Safeguard (RAV) from Ravnica: City of Guilds, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Glenn Fabry Card Text:((G/W) can be paid with either G or W.)When Centaur Safeguard is put into a graveyard from play, you...