Electrify Armament

You electrify a nonmagical weapon you hold, turning it into a magical weapon until the spell ends. For the duration, the weapon deals extra lightning damage equal to your spellcasting ability modifier when it hits. If you stop holding the weapon, the spell ends.
At Higher Levels.
When you cast this spell using a spell slot of 3rd or higher, the bonus to damage rolls increases to 1d4 + your spellcasting ability modifier. When you use a spell slot of 6th level or higher, the bonus increases to 2d4 + your spellcasting modifier.