Fire Bolt

Cantrip (evocation; arcane, fire)
Class(es): Sorcerer, wizard
Casting Time: 1 Action
Range: Long (120 feet)
Target: One creature or object
Components: V, S
Duration: Instantaneous

You cast a streak of flame at the target. Make a ranged spell attack. On a hit, you deal 1d10 fire damage. An unattended flammable object is ignited. 

This spell’s damage increases by 1d10 when you reach 5th level (2d10).