Shocking Grasp

Casting Time: 1 action
Range: Touch
Components: V, S
Duration: Instantaneous
You use your action to try to touch a creature
with a lightning shock. Make a melee spell attack,
with advantage if the target wears metal armor.
On hit, the target takes 1d8 lightning damage and
can't take reactions until the start of its next turn.
+1d8 damage at levels 5, 11, and 17.