Cheapest priced copy (The Hobbit): $0.35 at Card Kingdom, near mint, their price list as of .
The Black Arrow 
Legendary Artifact — Equipment · Uncommon · The Hobbit · #171
Flash
When The Black Arrow enters, it deals 1 damage to any target. If a Dragon is dealt damage this way, destroy it.
Equipped creature gets +1/+1 and has reach.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| The Hobbit | 171 | Uncommon | $0.35 | $0.49 |