Cheapest priced copy (Dark Ascension): $0.35 at Card Kingdom, near mint, their price list as of .
Heavy Mattock 
Artifact — Equipment · Common · Dark Ascension · #150
Equipped creature gets +1/+1.
As long as equipped creature is a Human, it gets an additional +1/+1.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dark Ascension | 150 | Common | $0.35 | $0.49 |