Cheapest priced copy (Fallen Empires): $0.35 at Card Kingdom, near mint, their price list as of .
Elven Fortress 
Enchantment · Common · Fallen Empires · #65b
{1}{G}: Target blocking creature gets +0/+1 until end of turn.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
4 printings · $0.35 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Fallen Empires | 65a | Common | $0.35 | — |
| Fallen Empires | 65b | Common | $0.35 | — |
| Fallen Empires | 65c | Common | $0.35 | — |
| Fallen Empires | 65d | Common | $0.35 | — |