Magic:Magic Weapon

Transmutation
Level: Brd 1, Clr 1, Pal 1, Sor/Wiz 1, War 1
Innate Level: 1
Component(s): V, S
Casting Time: 1 action
Range: Touch
Target: Creature or melee weapon
Duration: 1 turn/level
Counter(s): --
Saving Throw: None
Spell Resistance: No
Metamagic: Extend
Energy Substitution: No

You empower the touched weapon with a +1 enhancement bonus. This spell cannot be cast on a natural weapon, such as an unarmed strike.