2018-07-13 : Gaining control of a creature doesn’t cause you to gain control of any Auras or Equipment attached to it.

2018-07-13 : If one of the target creatures is an illegal target when Switcheroo resolves, the exchange won’t happen.

2018-07-13 : If the same player controls both creatures when Switcheroo resolves, nothing happens.

2018-07-13 : You don’t have to control either target.