Cheapest priced copy (New Phyrexia): $0.35 at Card Kingdom, near mint, their price list as of .
Gremlin Mine 
Artifact · Common · New Phyrexia · #136
{1}, {T}, Sacrifice this artifact: It deals 4 damage to target artifact creature.
{1}, {T}, Sacrifice this artifact: Remove up to four charge counters from target noncreature artifact.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| New Phyrexia | 136 | Common | $0.35 | $0.49 |