Inflict Light Wounds

necromancy

Level: cleric 1
Casting Time: 1 standard action
Components: V, S
Range: touch
Target: creature touched
Duration: instantaneous
Saving Throw: Will half
Spell Resistance: yes

When laying your hand upon a creature, you channel negative energy that deals 1d8 points of damage +1 point per caster level (maximum +5).

Since undead are powered by negative energy, this spell cures such a creature of a like amount of damage, rather than harming it.