SRD:Flame Tongue

Flame Tongue: This is a ''+1 flaming burst longsword. ''Once per day, the sword can blast forth a fiery ray at any target within 30 feet as a ranged touch attack. The ray deals 4d6 points of fire damage on a successful hit.

Moderate evocation; CL 12th; Craft Magical Arms and Armor, scorching ray, and flame blade, flame strike, or fireball; Price 20,715 gp; Cost 10,515 gp + 816 XP.