Warp Space

This spell creates a black vortex 20 ft. wide and 20 ft. long.  Every creature or object that is less than 30 ft. away from the vortex must make a Dexterity saving throw. If they fail the saving throw they get sucked into the vortex, take 5d12 necrotic damage, and be displaced to a different plane.  If they succeed they take half the damage and go to the material plane, if not already on the material plane.