Check out the original listing from Heritage Auctions.
Mizzix, Replica Rider Adding wizard to the subtype really does a lot for a goblin
Anecdotally, however, its worth noting that there were no more Meowth or Chansey cards in my Wonder Pick options after doing the free Wonder Pick at the start of the event, so its unclear how these Meowth and Chansey promo cards are factored into the Wonder Pick possibilities
If you have a playgroup with far more interaction, I would probably add some more mana rocks instead
I hope Wizards will produce something in the near future, but Im not holding my breath
(2025-06-06) In the rare case where you control two of The Water Crystal, each opponent mills eight more cards than originally instructed