Telekinetic Strikes

Evocation [force]
Level: Artificer * 2, Magus * 2, Sorcerer */Wizard * 2
Components: V, S
Casting Time: 1 Standard Action
Range: touch
Target: one creature
Duration: 1 minute/level
Saving Throw: Will negates (harmless)
Spell Resistance: yes (harmless)
  The touched creature's limbs are charged with telekinetic force. For the duration of the spell, the target's unarmed attacks or natural weapons deal an additional 1d4 points of force damage on each successful unarmed Melee Attack.