Bane

Level 1 Enchantment (Bard, Cleric, Warlock)
Casting Time: Template:Action
Range: Template:30 feet
Components: V, S, M (a drop of blood)
Duration: Template:Concentration, up to 1 minute

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.

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