Cheapest priced copy (Double Masters): $0.35 at Card Kingdom, near mint, their price list as of .
Coretapper 
Artifact Creature — Myr · 1/1 · Uncommon · Darksteel · #107
{T}: Put a charge counter on target artifact.
Sacrifice this creature: Put two charge counters on target artifact.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
3 printings · $0.35 to $5.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Double Masters | 244 | Uncommon | $0.35 | $0.49 |
| Darksteel | 107 | Uncommon | $0.49 | $5.99 |
| Edge of Eternities Commander | 132 | Uncommon | $0.35 | — |