Let's say that I temporarily gain control of an opponents permanent through some means, and then, before the temporary effect ends, I give it to another opponent (though let's say Harmless Offering). Will the permanent still return to the original opponent (presumably the owner), or will it stay under the control of the second opponent?
I can see this working differently in different scenarios, so let me give two examples:
- Gaining control of a creature through Act of Treason which creates an effect that lasts until end of turn.
- Gaining control of a creature through Control Magic, and then having Control Magic be destoryed after the creature has been given to the second opponent.