Darkvision, Mass

(Complete Arcane, DnD 3.5)

Transmutation

Level: ; Sorcerer/Wizard 4
Components: V, S, M
Range: 10 ft.
Target: The caster and all allies in a 10-ft.-radius burst, centered on the caster
Duration: 1 hour/level
Saving Throw: Will negates (harmless)
Spell Resistance: Yes (harmless)

As darkvision (see page 216 of the Player's Handbook), except that all target creatures receive the spell's benefits.
Unlike with darkvision, recipients of this spell cannot have the ability made permanent with a permanency spell.
Material Component: A dried carrot or three small agates.