Cheapest priced copy (Crimson Vow Commander): $0.49 at Card Kingdom, near mint, their price list as of .
Oyobi, Who Split the Heavens 
Legendary Creature — Spirit · 3/6 · Rare · Betrayers of Kamigawa · #18
Flying
Whenever you cast a Spirit or Arcane spell, create a 3/3 white Spirit creature token with flying.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
3 printings · $0.49 to $6.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Betrayers of Kamigawa | 18 | Rare | $0.79 | $6.99 |
| Salvat 2005 | C1 | Rare | — | — |
| Crimson Vow Commander | 95 | Rare | $0.49 | — |