Cheapest priced copy (Kamigawa: Neon Dynasty): $0.35 at Card Kingdom, near mint, their price list as of .
Seven-Tail Mentor 
Creature — Fox Samurai · 2/3 · Common · Kamigawa: Neon Dynasty · #313
When this creature enters or dies, put a +1/+1 counter on target creature or Vehicle you control.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Kamigawa: Neon Dynasty | 36 | Common | $0.35 | $0.49 |
| Kamigawa: Neon Dynasty | 313 | Common | $0.35 | $0.49 |