Ethereal Chains

Calling on the energy of the ethereal plane, ghostly chains shoot forth from your hands towards a target creature within range. Make a ranged spell attack against the target. On a hit, the target is grappled by the chains. The attack is made with advantage if the target is willing. As a bonus action on your turn, you can attempt to pull a grappled creature (size class Large or smaller) 20 ft towards you. Make an ability check with your spellcasting ability contested by the creatures Strength check. The target can use its action to make a Strength check against your spell save DC. On a success, it breaks free from the chains. The chains can only be affected by creatures and objects on the ethereal plane.