Dancer's Bane (Arteria)

Up to three creatures of your choice that you can see within range must each make a Charisma saving throw. Whenever a target that fails this save makes an attack roll or a saving throw before the spell ends, the target must subtract 1d4 from the attack roll or save.

Creatures that fail the saving throw become disoriented as you inflict upon them vertigo. Until the end of your next turn, attacks made against the creature have advantage and the creature can't take reactions.

Using a Higher-Level Spell Slot. You can target one additional creature for each spell slot level above 1.