Cheapest priced copy (Darksteel): $0.35 at Card Kingdom, near mint, their price list as of .
Hoverguard Observer 
Creature — Drone · 3/3 · Uncommon · Darksteel · #22
Flying
This creature can block only creatures with flying.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Darksteel | 22 | Uncommon | $0.35 | $0.49 |