Smite Heretic

Conjuration
Level: Paladin 3
Components: V, S, DF
Casting Time: 1 standard action
Range: Personal
Target: You
Duration: 10 minutes/level

For the duration of the spell, when using your smite evil class ability against an evil creature with the ability to cast divine spells, you gain a +2 sacred bonus on the attack roll. Furthermore, the attack deals 2 extra points of damage (instead of 1) per paladin level.