Reduce Person, Mass

(Player's Handbook v.3.5, p. 269)

Level: Sorcerer 4, Wizard 4, Sha'ir 4, Jester 4, Pride 5,
Components: V, S, M,
Casting Time: 1 round
Range: Close (25 ft. + 5 ft./2 levels)
Target: One humanoid creature/level, no two of which can be more than 30 ft. apart
Duration: 1 minute/level (D)
Saving Throw: Fortitude negates
Spell Resistance: Yes

This spell functions like reduce person, except that it affects multiple creatures.