Cheapest priced copy (Dominaria Remastered): $0.69 at Card Kingdom, near mint, their price list as of .
Wall of Junk 
Artifact Creature — Wall · 0/7 · Uncommon · Urza's Saga · #315
Defender (This creature can't attack.)
When this creature blocks, return it to its owner's hand at end of combat. (Return it only if it's on the battlefield.)
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.69 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dominaria Remastered | 240 | Uncommon | $0.69 | $0.79 |
| Urza's Saga | 315 | Uncommon | $0.99 | — |
One ruling from Wizards of the Coast
- 4 October 2004It only returns to owner's hand if it is still on the battlefield at end of combat.