Tempest blade

You swing either your hand or a weapon in front of you at a speed to great to see and send a gust of wind slashing your enemy. Make a melle spell attack against an enemy within range ading you're spell modifier to the attack, you also ad your proficiency bonus to your attack. On a hit the target takes 4d10 slashing damage. The attack is treated as magical in regards to damage resistances and immunities.