Cheapest priced copy (Urza's Saga): $0.35 at Card Kingdom, near mint, their price list as of .
Bravado 
Enchantment — Aura · Common · Urza's Saga · #177
Enchant creature
Enchanted creature gets +1/+1 for each other creature you control.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
1 printing · $0.35 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Urza's Saga | 177 | Common | $0.35 | — |
One ruling from Wizards of the Coast
- 4 October 2004The bonus is continuously calculated.