Taser

You send a pulse of electricity through a creature you see within range. The target must make a Constitution save, takes 2d8 lightning damage, and is incapacitated until the end of its next turn. On a success, the creature takes half damage and isn't incapacitated.

At Higher Levels. When you cast this spell using a slot of 2nd or higher, the damage increases by 1d8 for each slot above 1st.