Cheapest priced copy (Jumpstart 2022): $0.35 at Card Kingdom, near mint, their price list as of .
Aethershield Artificer 
Creature — Dwarf Artificer · 3/3 · Uncommon · Jumpstart 2022 · #140
At the beginning of combat on your turn, target artifact creature you control gets +2/+2 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Jumpstart 2022 | 140 | Uncommon | $0.35 | — |
| Core Set 2019 | 2 | Uncommon | $0.35 | $0.49 |