The Pokemon Company makes these decisions independently and they are not predictable in advance
If you have more than two of a given card, you can safely dismantle at least one of the extras
The Commander Legends: Battle for Baldurs Gate Collector Booster Box contains 12 Commander Legends: Battle for Baldurs Gate Collector Boosters
I guess they both work with the creatures with mana value 5 or greater theme, but I personally think they feel really out of place, both mechanically and thematically
Most themes have 40-card decks, and in the case of themes that have a lot of search means, it's a little more than 40, about 45, so if your opponent's deck has 40 cards, you can definitely use it on the first turn
Card Set(s) -KINGDOMS OF INTRIGUE- [OP04] CARD VIEW OP04-048 | UC | CHARACTER Sasaki Attribute Strike Block icon 1 Type Animal Kingdom Pirates Effect [On Play] Return all cards in your hand to your deck and shuffle your deck