Cheapest priced copy (Wilds of Eldraine): $0.35 at Card Kingdom, near mint, their price list as of .
Frostbridge Guard 
Creature — Elemental Soldier · 2/2 · Common · Wilds of Eldraine · #14
{2}{W}, {T}: Tap target creature.
Legal inCommanderBrawlStandardPioneerModernLegacyVintagePauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Wilds of Eldraine | 14 | Common | $0.35 | $0.49 |