Divine Blade

You brandish the weapon used in the spell’s casting and make a melee attack with it against one creature within 5 feet of you. On a hit, the target suffers the weapon attack’s normal effects, as well as an additional 1d4 radiant or necrotic damage (your choice).

At Higher Levels. At 5th level, the melee attack deals an extra 2d4 damage to the target on a hit. The damage roll increase by 1d4 at 11th level (3d4) and 17th level (4d4).