WotC uses a thin layer of blue paper in their printing process, and in the past this has helped forgeries look slightly different and has been a reliable marker of authenticity
Each pack contains 10 cards Pokmon Paldea Evolved set
This is the deck list I ended up playing, going 10-0 in swiss and only losing to the winner of the event in Top 8
This rainbow foil version of the card is extremely rare and desired for the same reasons as the non-foil version but now with added flair in the beautiful holo on top of the stunning art
For Luffy collectors, you can also find this same card with an alternate artwork in OP07 - 500 Years in the Future
This set brought back a leader parallel art format called "crew art" and it's not one of my personal favorites, but I must say that the Parallel Art for Boa Hancock, Foxy, and Jewelry Bonney do speak to me