Shillelagh

This spell enable the caster to change his own oaken cudgel or unshod staff into a magical weapon that gains a +1 bonus to its attack roll and inflicts 2d4 points of damage on opponents up to man-sized, and 1d4 + 1 points of damage on larger opponents. The spell inflicts no damage to the staff or cudgel. The caster must wield the shillelagh, of course.

Sphere: Combat, Plant
(Alteration)
Level: 1

Range: Touch
Components: V, S, M
Duration: 4 rounds + 1 round/level
Casting Time: 2
Area of Effect: 1 normal oaken club
Saving Throw: None

Material Components:
an oaken cudgel or unshod staff