Alzir's Riftblade

Ring your weapon or tuning fork and slash the space around you, sending a wave of cutting energy at one target you can see within range. Make a ranged spell attack, on a hit the target takes 6d10 force damage and must make a Charisma save. On a failed save, choose one- The target is teleported to an unoccupied space you choose within 5 ft of you, or you are teleported to an unoccupied space you choose within 5 ft of the target.