Bane

D&D 2014 spell: Bane. Source: Player's Handbook (2014). level 1, school Enchantment, casting time 1 action, range 30 feet, duration Concentration, up to 1 mi...

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

At Higher Levels

At Higher Levels When you cast this spell using a spell slot of 2nd level or higher, you can target one additional creature for each slot level above 1st.

Source: Player's Handbook (2014), p. 216 - Licenses and attribution