Thinkgood's Arcane Blade

As an action you touch a simple or martial weapon that lacks the heavy, two handed or special properties, and infuse it with magic. The weapon becomes magical, if it isn’t already, and floats by your side for the duration, occupying your space and moving with you.

As a bonus action on each of your turns you can make a melee spell attack on a target within 10 feet of you. On a hit, the target suffers the weapon attack's normal damage and effects, and takes an extra 1d8 force damage.

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, the extra force damage increases by 1d8 for each slot above 2nd.