Mystic Subdual Mystic Subdual ranks higher than the other generally-more potent removal in the Limited pool for the simple reason that it shuts down all abilities on its target
The value can vary, but Japanese cards are often more valuable due to their rarity, unique artwork, and superior print quality
Weak Pokmon-ex and a focus on theme over raw power leave it underwhelming, though Jirachi and Metagross bring some value
Gaining vigilance any time after the moment you choose to attack with Aang, A Lot to Learn won't cause him to become untapped, and losing vigilance after that time won't cause it to become tapped
According to the stories I've heard, Richard Garfield has kept these cards to this day, and no Chaos Orb version supposedly exists in these decks
The chaos effect can actually impact the board, so it gets a small bump, but this really isnt anything exciting