Azure Torch

Caster snaps fingers in front of pointed index and middle fingers of the other hand. Small flame bursts from snap and ignites 6in blue jet of flame from the caster's fingers. This flame can be used to cut or weld metal. 

May use as melee spell attack against the target. On a hit, the target takes 1d6 fire damage. If torch is held to target for entire round uninterrupted additional 1d6 fire damage, and may consider their next attack with the torch a hit if they choose to continue burning their victim, which uses their action. A flammable object hit by this spell ignites if it isn't being worn or carried.

When you reach 5th level may use bonus action to light Azure Torch in other hand without the use of a spell slot.

This spell's damage increases by 1d6 when you reach 11th level (2d6), 17th level (3d6).