Cheapest priced copy (Fourth Edition): $0.35 at Card Kingdom, near mint, their price list as of .
Wall of Dust 
Creature — Wall · 1/4 · Uncommon · Fourth Edition · #229
Defender (This creature can't attack.)
Whenever this creature blocks a creature, that creature can't attack during its controller's next turn.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
4 printings · $0.35 to $1.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Fourth Edition Foreign Black Border | 229 | Uncommon | — | — |
| Fourth Edition | 229 | Uncommon | $0.35 | — |
| Legends | 168 | Uncommon | $1.99 | — |
| Renaissance | 97 | Uncommon | — | — |