Cheapest priced copy (Urza's Legacy): $0.49 at Card Kingdom, near mint, their price list as of .
Thran Lens 
Artifact · Rare · Urza's Legacy · #133
All permanents are colorless.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.49 to $22.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Urza's Legacy | 133 | Rare | $0.49 | $22.99 |
2 rulings from Wizards of the Coast
- 4 October 2004Does not prevent a spell or ability from adding color to permanents after this effect is applied.
- 4 October 2004Does not make the permanents into artifacts. They are simply without color.