A Game Object can have any of the following statuses (non-exhaustive): Attached, Attacking, Buffed, Banished, Controlled, Defending, Empowered, Equipped, Exhausted, Facedown, Readied, Replaced, Revealed, Stunned, and any applied Layer alternations.
§ 124.2 Core Rules PDF (officieel)
§ 124 A Game Object that changes zones to or from a Non-Board Zone becomes a new object for the purposes of tracking that object.