Cheapest priced copy (Duel Decks: Mind vs. Might): $0.35 at Card Kingdom, near mint, their price list as of .
Peer Through Depths 
Instant — Arcane · Common · Duel Decks: Mind vs. Might · #5
Look at the top five cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in any order.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
3 printings · $0.35 to $2.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Champions of Kamigawa | 78 | Common | $0.49 | $2.99 |
| Duel Decks: Mind vs. Might | 5 | Common | $0.35 | — |
| Modern Masters | 57 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 1 December 2004If you don’t reveal an instant or sorcery card, put all the revealed cards on the bottom of your library in any order.