Icy Prison, Mass

Evocation [cold]
Level: Sorcerer */Wizard * 9
Components: V, S
Casting Time: 1 Standard Action
Range: medium (100 ft. + 10 ft./level)
Target: one creature/level, no two of which can be more than 30 ft. apart.
Duration: 1 minute/level; see text
Saving Throw: Reflex partial
Spell Resistance: yes

This spell functions as icy prison, except as noted above.