Cheapest priced copy (Oath of the Gatewatch): $0.49 at Card Kingdom, near mint, their price list as of .
Hedron Crawler 
Artifact Creature — Construct · 0/1 · Common · Oath of the Gatewatch · #164
{T}: Add {C}. ({C} represents colorless mana.)
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
1 printing · $0.49 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Oath of the Gatewatch | 164 | Common | $0.49 | $2.49 |