Cheapest priced copy (Conspiracy): $0.35 at Card Kingdom, near mint, their price list as of .
Plated Seastrider 
Creature — Beast · 1/4 · Common · Conspiracy · #103
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
3 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Conspiracy | 103 | Common | $0.35 | $0.49 |
| The List | SOM-38 | Common | — | — |
| Scars of Mirrodin | 38 | Common | $0.35 | $0.49 |