Bladesinger

Prerequisite: Proficiency with longsword, rapier, or light weapon
As the elven warriors of old, you blend swordplay and spellcasting into a single deadly discipline. You now have the abilties too:

• Increase your Dexterity score by 1.
• You can use a longsword, rapier, or light weapon that you are holding as a spellcasting focus.
• You treat all one-handed weapons as having the finesse property.
• When you use your action to cast a spell, you can use your bonus action to attack with a longsword, rapier, scimitar or short sword that you are holding.