Cheapest priced copy (Commander Legends): $0.35 at Card Kingdom, near mint, their price list as of .
Interpret the Signs 
Sorcery · Uncommon · Journey into Nyx · #43
Scry 3, then reveal the top card of your library. Draw cards equal to that card's mana value. (To scry 3, look at the top three cards of your library, then put any number of them on the bottom and the rest on top in any order.)
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
3 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander Legends | 75 | Uncommon | $0.35 | $0.49 |
| Jumpstart 2022 | 309 | Uncommon | $0.35 | — |
| Journey into Nyx | 43 | Uncommon | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 10 November 2020If a card in a player's library has {X} in its mana cost, X is considered to be 0.
- 10 November 2020If you reveal a card with mana value 0, such as a land card, you won't draw any cards. Otherwise, the card you revealed will be the first card you draw.