Bounding Flames

Channeling magics into your melee weapon produces wild flames along it's edge. With the cast of the spell make a melee spell attack using the melee weapon used as materials range. You deal the standard damage of the weapon plus fire damage equal to your spellcasting ability modifier. After hitting a target, flames leap to another target within 5ft. The target makes a DEX save against your spell save DC, inanimate objects automatically fail this save. On a failed save the target takes fire damage equal to your spellcasting ability modifier. Flammable objects that aren't being worn or carried ignite when hit with this spell or its effects. 

At higher levels primary spell damage increases by 1d8 at 5th, 11th, and 17th level. Secondary spell damage increases by 1d8 at 11th and 17th levels.