Cheapest priced copy (Scars of Mirrodin): $0.35 at Card Kingdom, near mint, their price list as of .
Copper Myr 
Artifact Creature — Myr · 1/1 · Common · Mirrodin · #158
{T}: Add {G}.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
3 printings · $0.35 to $2.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Planechase | 109 | Common | $0.69 | — |
| Mirrodin | 158 | Common | $0.39 | $2.99 |
| Scars of Mirrodin | 146 | Common | $0.35 | $2.49 |