Vastak's Weapon of War

You gain the ability to control the weapon used as the material component without touching it. When you cast the spell and as an action each turn after that, you can maneuver the weapon and make a melee weapon attack using your spellcasting modifier against a creature within 15 feet of you.

At Higher Levels. When you cast this spell using a spell slot of 4th level, you can make two attacks with the weapon. If you cast this spell using a level 7th spell slot you can make three attacks.