Cheapest priced copy (Visions): $0.35 at Card Kingdom, near mint, their price list as of .
Magma Mine 
Artifact · Uncommon · Visions · #149
{4}: Put a pressure counter on this artifact.
{T}, Sacrifice this artifact: It deals damage equal to the number of pressure counters on it to any target.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.35 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Visions | 149 | Uncommon | $0.35 | — |