Cheapest priced copy (Edge of Eternities): $0.39 at Card Kingdom, near mint, their price list as of .
Seedship Impact 
Instant · Uncommon · Edge of Eternities · #205
Destroy target artifact or enchantment. If its mana value was 2 or less, create a Lander token. (It's an artifact with "{2}, {T}, Sacrifice this token: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.")
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
1 printing · $0.39 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Edge of Eternities | 205 | Uncommon | $0.39 | $0.49 |
One ruling from Wizards of the Coast
- 25 July 2025If a permanent has {X} in its mana cost, X is 0 for the purpose of determining its mana value.