Whenever a Game Object changes zones to or from a Non-Board Zone, all Temporary Modifications of all kinds cease to be tracked on it in all capacities. Examples: Damage is cleared. Counters are removed. Granted Keywords are no longer granted. Statuses are cleared.
§ 124.1 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.
