Cheapest priced copy (Return to Ravnica): $0.35 at Card Kingdom, near mint, their price list as of .
Street Sweeper 
Artifact Creature — Construct · 4/6 · Uncommon · Return to Ravnica · #234
Whenever this creature attacks, destroy all Auras attached to target land.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Return to Ravnica | 234 | Uncommon | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 1 October 2012Street Sweeper’s ability is mandatory, but you can choose a land with no Auras attached to it as the target.