Cheapest priced copy (Foundations): $0.49 at Card Kingdom, near mint, their price list as of .
Lunar Insight 
Sorcery · Rare · Foundations · #310
Draw a card for each different mana value among nonland permanents you control.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
5 printings · $0.49 to $15.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Foundations | 46 | Rare | $0.49 | $0.49 |
| Foundations | 310 | Rare | $0.59 | $0.99 |
| Foundations | 378 | Rare | — | $15.99 |
| Foundations | 456 | Rare | $0.59 | $0.79 |
| Foundations Promos | 46s | Rare | — | $0.69 |
One ruling from Wizards of the Coast
- 8 November 2024If a permanent you control has {X} in its mana cost, X is 0 for the purpose of determining its mana value.