Cheapest priced copy (Aether Revolt): $0.35 at Card Kingdom, near mint, their price list as of .
Night Market Guard 
Artifact Creature — Construct · 3/1 · Common · Aether Revolt · #166
This creature can block an additional creature each combat.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Aether Revolt | 166 | Common | $0.35 | $0.49 |
| Battlebond | 242 | Common | $0.35 | $0.49 |