True Blade

You brandish the weapon used in this 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, and you can cause the next attack on the target to have advantage before the start of your next turn.

This spell's damage increases when you reach certain levels. At 5th level, the melee attack deals an extra 1d8 force damage to the target on hit. At 11th level, the damage roll increase by 1d8 (2d8). At 17th level, the damage rolls increases again by 1d8 (3d8).