Your search for "frostbridge guard 14" revealed the following:
Frostbridge Guard (WOE) from Wilds of Eldraine, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Paul Scott Canavan Card Text:2W, T: Tap target creature.
Frostbridge Guard (Foil) (WOE) from Wilds of Eldraine, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Paul Scott Canavan Card Text:2W, T: Tap target creature.
Geara Zulu (Guards Type) (SC01 Reprint) - GD01-052 - Uncommon from Deck Build Box Freedom Ascension, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Hiroshi Ayaragi