Cheapest priced copy (Lorwyn Eclipsed): $0.35 at Card Kingdom, near mint, their price list as of .
Barbed Bloodletter 
Artifact — Equipment · Common · Lorwyn Eclipsed · #86
Flash
When this Equipment enters, attach it to target creature you control. That creature gains wither until end of turn. (It deals damage to creatures in the form of -1/-1 counters.)
Equipped creature gets +1/+2.
Equip {2}
Legal inCommanderBrawlStandardPioneerModernLegacyVintagePauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Lorwyn Eclipsed | 86 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 17 November 2025Wither applies to any damage dealt to creatures by the affected creature. This includes combat damage as well as anything that causes that creature to deal noncombat damage, such as the effect of Assert Perfection.