The 30th Celebration Classic Collection spans the entire 30-year history of the Pokmon TCG from Base Set Pikachu in 1996 all the way to a Paldea Evolved Illustration Rare from 2023
The only way to have obtained a copy of this Kangaskhan was to compete in the parent/child Mega Battle Tournament in Japan in 1998
When Dark Magical Circle is activated, the user can look at the top three cards of their deck, then if there is a Dark Magician spell/trap or Dark Magician himself, the user can reveal that card and add it to their hand
You can banish this card in your GY and 1 Link Monster you control
In other words, as you sacrifice Food or Mutagen tokens or lose creatures in battle, he buffs one of your remaining creatures and/or transforms a remaining token into a creature
The second outcome is that the Collector booster ends up in the hands of someone more involved in the community, be it a Redditor, influencer, or content creator