Cheapest priced copy (Battlebond): $0.35 at Card Kingdom, near mint, their price list as of .
Lightwalker 
Creature — Human Warrior · 2/1 · Common · Dragons of Tarkir · #24
This creature has flying as long as it has a +1/+1 counter on it.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
5 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Battlebond | 95 | Common | $0.35 | $0.49 |
| Dragons of Tarkir | 24 | Common | $0.35 | $0.49 |
| Foundations Jumpstart | 220 | Common | $0.35 | — |
| Jumpstart | 118 | Common | $0.35 | — |
| The List | BBD-95 | Common | $0.35 | — |