Flame of Faith

Using your faith as a guide for your magic, you touch the weapon and it bursts into flame.

(Spell Compendium, p. 95)  
Originally posted on D&D tools

Evocation

Level: Paladin 2, Cleric 3,
Components: V, S, M,
Casting Time: 1 standard action
Range: Touch
Target: Nonmagical weapon touched
Duration: 1 round/level
Saving Throw: None
Spell Resistance: No

You can temporarily turn any single normal or masterwork melee weapon into a magic, flaming one. For the duration of the spell, the weapon acts as a +1 flaming burst weapon.

Material Component: A lump of phosphorus, touched to the target weapon.