Mordenkainen's Lost Notebook

Mordenkainen’s Electric Arc

4-level Evocation

You point your finger at a creature you can see within range and an electric arc jumps out toward it. The creature must make a Dexterity saving throw. The target takes 6d10 lightning damage on a failed save or half as much on a success. The creature has disadvantage on the saving throw if it is wearing metal armor.
At higher levels: At higher levels: When you cast this spell using a spell slot of 5th level or higher, the damage increases by 1d10 for every slot level above 4th.