Deific Vengeance

You call out to your deity, declaring your foe’s crimes and asking your deity to punish him.

(Spell Compendium, p. 62)  
Originally posted on D&D tools

Conjuration (Summoning)

Level: Cleric 2, Purification 2,
Components: V, S, DF,
Casting Time: 1 standard action
Range: Close (25 ft. + 5 ft./2 levels)
Target: One creature
Duration: Instantaneous
Saving Throw: Will half
Spell Resistance: Yes

This spell deals 1d6 points of damage per two caster levels (maximum 5d6), or 1d6 points per caster level (maximum 10d6) if the target is undead.