Cheapest priced copy (Alliances): $0.35 at Card Kingdom, near mint, their price list as of .
Unlikely Alliance 
Enchantment · Uncommon · Alliances · #20
{1}{W}: Target nonattacking, nonblocking creature gets +0/+2 until end of turn.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.35 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Alliances | 20 | Uncommon | $0.35 | — |
One ruling from Wizards of the Coast
- 4 October 2004The bonus is not lost if the creature later becomes an attacker or blocker. The limitation is just there to prevent the effect from being used late in an attack.