Cheapest priced copy (Jumpstart 2022): $0.35 at Card Kingdom, near mint, their price list as of .
Gearsmith Guardian 
Artifact Creature — Construct · 3/5 · Common · Core Set 2019 · #237
This creature gets +2/+0 as long as you control a blue creature.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Jumpstart 2022 | 767 | Common | $0.35 | — |
| Core Set 2019 | 237 | Common | $0.35 | $0.49 |