Cheapest priced copy (Darksteel): $9.99 at Card Kingdom, near mint, their price list as of .
Myr Matrix 
Artifact · Rare · Darksteel · #132
Indestructible (Effects that say "destroy" don't destroy this artifact.)
Myr creatures get +1/+1.
{5}: Create a 1/1 colorless Myr artifact creature token.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $9.99 to $32.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Darksteel | 132 | Rare | $9.99 | $32.99 |