Voltage Barrier

As an action, the caster can create a 15x15 ft barrier of solid lightning that can deflect non-magical and magical attacks up to 2nd level. The barrier can be moved up to 15 ft in any direction as an action. If anything touches or walks through the barrier they must make a Constitution saving throw or take 4d6 Lightning damage and become paralyzed till the end of the round or half damage and not become paralyzed on a success. 

At higher levels, It can deflect an additional spell level. up to a maximum of 5th level attack spells