This gen includes my three favourite Mons of all time Sceptile, Rayquaza and Deoxys which all have a special place in my heart from playing Pokemon Emerald back in the day
These First Edition cards are worth more than their regular counterparts and are often worth more than even modern cards
Double-faced permanents with daybound transform to their nightbound faces as it becomes night
Technical Machine: Evolution is still great in an item lock metagame, while Professor Sadas Vitality allowed turbo decks to take big KOs even on their very first turn, going second
First off, try to get four of the Stitch Alien Troublemaker or Mulan Charging Ahead, the two Mushus, and Quick Shot
Relying on having dorks in play makes it narrower, less good early and more situational