Shocking Grasp

Evocation cantrip – Official Spell Lightning springs from your hand to deliver a shock to a creature you try to touch. Make a melee spell attack against the target. You have advantage on the attack roll if the target is wearing armour made of metal. On a hit, the target takes 1d8 lightning damage, and it can’t take reactions until the start of its next turn.
 * Casting Time: 1 action
 * Range: Touch
 * Components: V, S
 * Duration: Instantaneous

The spell’s damage increases by 1d8 when you reach 5th level (2d8), 11th level (3d8), and 17th level (4d8).