Cheapest priced copy (Dragon's Maze): $0.35 at Card Kingdom, near mint, their price list as of .
Gleam of Battle 
Enchantment · Uncommon · Dragon's Maze · #73
Whenever a creature you control attacks, put a +1/+1 counter on it.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.35 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dragon's Maze | 73 | Uncommon | $0.35 | $0.99 |
2 rulings from Wizards of the Coast
- 15 April 2013If a creature enters the battlefield attacking, it won’t cause Gleam of Battle to trigger.
- 15 April 2013The +1/+1 counter is put on the creature before blockers are declared and combat damage is dealt.