Arcane Blast

Your magical talents have grown to a point where all spells you cast can be converted to attacks. At 10th level an Arcane spell caster can as an action expend one spell slot of 1st level or higher, to change any spell into an attack that takes the form of a ray, targeting one creature with in range (30 feet). Make a spell attack roll adding your proficiency bonus. This attack deals 2d6 points of damage, either radiant or force your choice, this damage increases by 1d6 per spell level expended.