Frost Shock

4th-level Evocation
Casting Time: 1 bonus action
Range: 60 feet
Components: VS
Duration: Instantaneous

You lash out with the spirits of ice, flash-freezing an enemy solid. The target must succeed on a Constitution saving throw or take 7d4 cold damage and be chilled for one round, or half as much damage on a successful one, avoiding the chilling effect.
At Higher Levels. When you cast this spell using a spell slot of 5th level or higher, the damage of this spell increases by 1d4 for each slot above 4th level.

Source: Homebrew