Cheapest priced copy (Champions of Kamigawa): $0.35 at Card Kingdom, near mint, their price list as of .
Sift Through Sands 
Instant — Arcane · Common · Champions of Kamigawa · #84
Draw two cards, then discard a card.
If you've cast a spell named Peer Through Depths and a spell named Reach Through Mists this turn, you may search your library for a card named The Unspeakable, put it onto the battlefield, then shuffle.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
2 printings · $0.35 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Champions of Kamigawa | 84 | Common | $0.35 | $0.99 |
| Duel Decks: Mind vs. Might | 9 | Common | $0.35 | — |