Bestial Claws

You call upon the savage power of nature, causing feral claws to erupt from your hands/arms that last for the duration of 10 minutes. 

As a Magic action, you can make a melee spell attack with the Beastly Claws. On a hit, the target takes Slashing Damage equal to 2d6 plus your spellcasting ability modifier.

Using a Higher-Level Spell Slot. The damage increases by 1d6 for every other spell slot level above 1.