Cheapest priced copy (Betrayers of Kamigawa): $0.35 at Card Kingdom, near mint, their price list as of .
Child of Thorns 
Creature — Spirit · 1/1 · Common · Betrayers of Kamigawa · #123
Sacrifice this creature: Target creature gets +1/+1 until end of turn.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Betrayers of Kamigawa | 123 | Common | $0.35 | $0.49 |