Cala's empowering Radiance.

The caster imbues one ally they trust with radiant energy.

Target 1 ally for the effect of this spell. When the targeted ally makes a ranged or melee attack they gain a bonus 1d6 radiant damage to the attack.  While concentrating on this spell the caster cannot use any spell that deal necrotic damage. The caster can dismiss the spell early as a bonus action.  

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