Cheapest priced copy (Champions of Kamigawa): $0.35 at Card Kingdom, near mint, their price list as of .
Midnight Covenant 
Enchantment — Aura · Common · Champions of Kamigawa · #125
Enchant creature
Enchanted creature has "{B}: This creature gets +1/+1 until end of turn."
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Champions of Kamigawa | 125 | Common | $0.35 | $0.49 |