Cheapest priced copy (Aetherdrift): $0.35 at Card Kingdom, near mint, their price list as of .
Memory Guardian 
Artifact Creature — Robot Artificer · 3/4 · Uncommon · Foundations Commander · #68
Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Flying
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
2 printings · $0.35 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Aetherdrift | 49 | Uncommon | $0.35 | $0.79 |
| Foundations Commander | 68 | Uncommon | $0.35 | — |