Cheapest priced copy (Lorwyn): $0.35 at Card Kingdom, near mint, their price list as of .
Kinsbaile Balloonist 
Creature — Kithkin Soldier · 2/2 · Common · Lorwyn · #23
Flying
Whenever this creature attacks, you may have target creature gain flying 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 |
|---|---|---|---|---|
| Lorwyn | 23 | Common | $0.35 | $0.49 |