That FAQ tells us that while many sets will transfer over, only cards from the Sword & Shield series and select sets from the Sun & Moon series ( Lost Thunder through Cosmic Eclipse ) will be transferrable at launch
Brisela isnt as potent of a lock-piece as youd expect though
10255, boxed Estimate 100-150 Bluebird Polly Pocket 1991 Dream World playset, with six original dolls and pig, dog, pon
When someone reveals that theyre playing an Elf, Goblin, or Zombie tribal deck at your Commander Pod, you know youre in for a bruising fight that you are very likely to lose
Rayquaza's unique position as one of the most expensive Pokemon ever makes it a likely choice to remain as the most expensive card from this era for the foreseeable future
An edge case I can think of where you may want to include more is having some extra Boseiju, Who Endures in your sideboard to bring in during matchups where the ability is more important