Cheapest priced copy (Champions of Kamigawa): $0.35 at Card Kingdom, near mint, their price list as of .
Horizon Seed 
Creature — Spirit · 2/1 · Uncommon · Salvat 2005 · #C38
Whenever you cast a Spirit or Arcane spell, regenerate target creature.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Champions of Kamigawa | 15 | Uncommon | $0.35 | $0.49 |
| Salvat 2005 | C38 | Uncommon | — | — |