Cheapest priced copy (Warhammer 40,000 Commander): $5.99 at Card Kingdom, near mint, their price list as of .
Bone Sabres 
Artifact — Equipment · Rare · Warhammer 40,000 Commander · #88
Whenever equipped creature attacks, put four +1/+1 counters on it.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $5.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Warhammer 40,000 Commander | 88 | Rare | $5.99 | — |
| Warhammer 40,000 Commander | 88★ | Rare | — | — |