Shillelagh

Transmutation
Level: Plant 1
Components: V, S
Casting Time: 1 standard action
Range: Touch
Target: One touched bludgeoning weapon
Duration: 1 min./level
Saving Throw: Will negates (object)
Spell Resistance: Yes (object)
Spell Points: 1

The touched weapon deals damage as if it were one size category larger than it really is (to a maximum of Colossal).

Augment: For every 4 additional spell points you spend, the touched weapon deals damage as if it were an additional size category larger (to a maximum of Colossal).