Aerostrike

You condense the winds around you, wrapping it around your weapon before you strike.

The next time you make a melee weapon attack against a creature, in addition to the attack's normal damage, the attack also deals an extra 1d6 slashing damage on a hit. You do not receive this bonus damage if you do not take the attack action during the turn you cast this spell, as the condensed winds around the blade disperse.

The spell’s extra damage increases when you reach the 5th level (2d6), 11th level (3d6), and 17th level (4d6).