Cheapest priced copy (Adventures in the Forgotten Realms): $0.35 at Card Kingdom, near mint, their price list as of .
Valor Singer 
Creature — Tiefling Bard · 2/3 · Common · Adventures in the Forgotten Realms · #165
Combat Inspiration — At the beginning of combat on your turn, target creature you control gets +1/+0 until end of turn.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Adventures in the Forgotten Realms | 165 | Common | $0.35 | $0.49 |