Resist Energy, Mass

(Spell Compendium, page 174, DnD 3.5)

Abjuration

Level: ; Cleric 3; Druid 3; Sorcerer/Wizard 4
Components: V, S
Casting Time: 1 standard action
Range: Close (25 ft. + 5 ft./2 levels)
Target: One creature/level, no two of which are more than 30 ft. apart
Duration: 10 minutes/level
Saving Throw: Fortitude negates (harmless)
Spell Resistance: Yes (harmless)

You call upon the protective energies of magical power, surrounding your subjects in temporarily visible fields of energy. Although the fields fade from view, you can still just barely sense their existence.

This spell functions like resist energy (PH 272), except that it affects all targeted creatures.