Cheapest priced copy (Adventures in the Forgotten Realms): $0.35 at Card Kingdom, near mint, their price list as of .
Manticore 
Creature — Manticore · 2/1 · Common · Adventures in the Forgotten Realms · #113
Flash
Flying
Tail Spikes — When this creature enters, destroy target creature an opponent controls that was dealt damage this turn.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Adventures in the Forgotten Realms | 113 | Common | $0.35 | $0.49 |
| Adventures in the Forgotten Realms | 314 | Common | $0.35 | $0.49 |