Cheapest priced copy (Commander 2013): $4.99 at Card Kingdom, near mint, their price list as of .
Surveyor's Scope 
Artifact · Rare · Commander Anthology · #232
{T}, Exile this artifact: Search your library for up to X basic land cards, where X is the number of players who control at least two more lands than you. Put those cards onto the battlefield, then shuffle.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $4.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander 2013 | 262 | Rare | $4.99 | — |
| Commander Anthology | 232 | Rare | $4.99 | — |
2 rulings from Wizards of the Coast
- 17 October 2013If no players control at least two more lands than you when the ability resolves, you'll still search and shuffle your library.
- 17 October 2013You count the number of players who control at least two more lands than you when the ability resolves.