Cheapest priced copy (Duel Decks: Elves vs. Inventors): $0.35 at Card Kingdom, near mint, their price list as of .
Ezuri's Archers 
Creature — Elf Archer · 1/2 · Common · Duel Decks: Elves vs. Inventors · #9
Reach (This creature can block creatures with flying.)
Whenever this creature blocks a creature with flying, this creature gets +3/+0 until end of turn.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
3 printings · $0.35 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Elves vs. Inventors | 9 | Common | $0.35 | — |
| The List | DDU-9 | Common | $0.35 | — |
| Scars of Mirrodin | 120 | Common | $0.35 | $0.99 |
One ruling from Wizards of the Coast
- 1 January 2011If Ezuri’s Archers somehow blocks multiple creatures with flying (perhaps because it’s equipped by Echo Circlet), its ability triggers that many times.