Cheapest priced copy (Game Night: Free-for-All): $0.35 at Card Kingdom, near mint, their price list as of .
Greatsword 
Artifact — Equipment · Uncommon · Game Night: Free-for-All · #116
Equipped creature gets +3/+0.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Game Night: Free-for-All | 116 | Uncommon | $0.35 | — |
| Magic 2012 | 209 | Uncommon | $0.35 | $0.49 |