Cheapest priced copy (Tenth Edition): $0.35 at Card Kingdom, near mint, their price list as of .
Rootwater Commando 
Creature — Merfolk · 2/2 · Common · Tenth Edition · #102
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
3 printings · $0.35 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Tenth Edition | 102 | Common | $0.35 | — |
| Tenth Edition | 102★ | Common | — | $0.49 |
| Nemesis | 39 | Common | $0.35 | $0.99 |