Electrickery

Izzet League Spell
Cantrip
Range: 15 ft Cone
Casting Time: 1 Action
Duration: Instantaneous
Bright flashes of light and electricity jump from your fingertips and course through every creature within range. They must succeed on a Dexterity Saving Throw or take 1d6 Lightning Damage and lose their Reactions until the end of their next turn.