Ok, one more cantrip!
Casting Time: 1 action
Range: 30 feet
Components: V, S
You focus the heat of around an area to coalesces into one thing within range causing a spark of flame to erupt inside the target. The target must succeed on a Dexterity saving throw or take 1d10 fire damage. A flammable object hit by this spell ignites if it isn’t being worn or carried.
This spell’s damage increases by 1d10 when you reach 5th level (2d10), 11th level (3d10), and 17th level (4d10).