Inaccurate?

Curse of Ill Fortune, Mass

(Spell Compendium, p. 56)

Necromancy
Level: Cleric 5,
Components: V, S, DF,
Casting Time: 1 standard action
Range: Medium (100 ft. + 10 ft./level)
Target: Enemies in a 20-ft.-radius burst
Duration: 1 minute/level
Saving Throw: Will negates
Spell Resistance: Yes

This spell functions like curse of ill fortune, except that it affects multiple enemies.