If an action would require a Move that would cause a Unit to become present in a Location where it cannot move for any reason, such as a Battlefield with two players that are not the controller of the Unit performing this Move action are in a Combat or such a Combat is Staged, it instead Recalls. See rule 454. Recalls for more information.
§ 447.2.c Core Rules PDF (officieel)
§ 447 Moving is defined by the Origin and Destination of the Permanent that is changing locations.
§ 447.2 The Destination is where the Permanent is going to.
