Thunder Bolt 2014

Evocation cantrip

Casting time: 1 action
Range: 30 feet
Components: V, S
Duration: instantaneous
Attack: Spell attack roll
Damage: 1d8 Thunder

You cast a knot of thunder at one enemy. Make a ranged spell attack against the target. If it hits, the target takes 1d8 thunder damage and can’t use reactions until the start of your next turn.

Source: Deep Magic for 5th Edition (Kobold Press) · License: OPEN GAME LICENSE Version 1.0a details