Cheapest priced copy (Lorwyn): $0.35 at Card Kingdom, near mint, their price list as of .
Bog-Strider Ash 
Creature — Treefolk Shaman · 2/4 · Common · Lorwyn · #198
Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
Whenever a player casts a Goblin spell, you may pay {G}. If you do, you gain 2 life.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Lorwyn | 198 | Common | $0.35 | $0.49 |