Cheapest priced copy (Mirrodin Besieged): $0.35 at Card Kingdom, near mint, their price list as of .
Viridian Claw 
Artifact — Equipment · Uncommon · The List · #MBS-143
Equipped creature gets +1/+0 and has first strike.
Equip {1}
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
2 printings · $0.35 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Mirrodin Besieged | 143 | Uncommon | $0.35 | $0.99 |
| The List | MBS-143 | Uncommon | $0.35 | — |