Aroden's Magic Army

Transmutation
Level: Shaman * 8, Sorcerer */Wizard * 7
Components: V, S, DF
Casting Time: 1 Standard Action
Range: long (400 ft. + 40 ft./level)
Target: weapons carried by allies
Duration: 1 hour/level
Saving Throw: Will negates (harmless, object)
Spell Resistance: yes (harmless, object)
  You imbue all manufactured weapons carried by allies within range with magic, granting each weapon a +1 Enhancement Bonus on attack rolls and damage rolls per 5 Caster Levels (maximum +4).