Brilliant Aura

(Spell Compendium, page 39, DnD 3.5)

Transmutation

Level: ; Cleric 8; Druid 8; Sorcerer/Wizard Variant 7
Components:
Target: Weapons carried by one creature/2 levels, no two of which are more than 30 ft. apart
Duration: 1 round/level
Saving Throw: Will negates (harmless)
Spell Resistance: Yes (harmless)

Taking fresh insight from contemplation of light, you cast the spell and set your allies aglow with white brilliance.

This spell functions like brilliant blade (see below), except as noted here, and that all weapons of the subject creatures gain the brilliant energy special ability.