Shocking Grasp

Casting Time: 1 action
Range: Touch
Components: V, S
Duration: Instantaneous
Lightning springs from your hand to shock.
Make a melee spell attack against the target.
You have advantage on the attack roll if the target
is wearing metal armor. On a hit, 1d8 lightning
damage, and it can't take reactions until the start
of its next turn. The spell's damage increases by
1d8 when you reach 5(2d8), 11(3d8), and 17(4d8).