Magic:Flame Weapon
Evocation [Fire]
Level: Drd2, Sor/Wiz 2
Components: V, S, M
Casting Time: 1 action
Range: Touch
Target: One weapon
Duration: 1 round/level
Saving Throw: Reflex negates (harmless, object)
Spell Resistance: Yes (harmless, object)
It adds 1d6 fire damage to the weapon. But it cannot be applied to a weapon that already has a permenant elemental enchantment, and it does not stack with itself.