Quote Originally Posted by Tanarii View Post
In the specific case of monsters using pseudo-magical or magical effects, it's certainly reasonable for the DM to rule them as 'spells' for purposes of sanctuary and invisibility. IMO the entire question on if they are attacks or not is a red herring in those specific cases.
While I agree that this is a good solution, it's maybe worth noting that this problem applies to Dragonborn characters as well.