I would not say this is the definitive ruling without hearing from other Judges, but I would say that Watcher's ability includes clarifying text for that last part. At the time it was printed (and until this season, actually), set-aside enhancements went with the character to set-aside, and were discarded once the characters were to return. Therefore, this 'older wording' seems to fall into the "clarifying text" category, meant to define a default state that existed in the rules at the time of the printing, and is thus not its own ability.
