Cheapest priced copy (Ravnica: City of Guilds): $0.35 at Card Kingdom, near mint, their price list as of .
Galvanic Arc 
Enchantment — Aura · Common · Ravnica: City of Guilds · #126
Enchant creature
When this Aura enters, it deals 3 damage to any target.
Enchanted creature has first strike.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Ravnica: City of Guilds | 126 | Common | $0.35 | $0.49 |