Cheapest priced copy (Fifth Dawn): $0.35 at Card Kingdom, near mint, their price list as of .
Eyes of the Watcher 
Enchantment · Uncommon · Fifth Dawn · #30
Whenever you cast an instant or sorcery spell, you may pay {1}. If you do, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.35 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Fifth Dawn | 30 | Uncommon | $0.35 | $0.79 |
One ruling from Wizards of the Coast
- 1 December 2004You do the scrying at the end of the ability’s resolution (assuming you pay {1}).