The text "becomes attached" appears on plenty of other Magic cards, and there are countless effects that copy permanents, so nothing seems too left-field here
Once the energy cards are ready, mix the Pokemon cards prepared by each player face down to create one "Pokemon deck" and shuffle it
Card binders are large books that can hold tons of cards in sleeves, meaning you'll have easy access to them, you can organize them in a way that makes sense to you, and you can easily transport them from tournament to tournament (or even a friend's house) by popping the binder in your bag
Perhaps Theros Beyond Death provided some new additions to your Hydra deck
She is also responsible for the SIR Charizard ex from Paldean Fates that has seen a lot of popularity recently, selling for around $200 at the moment, and rightly so
GetGradeds Express Card Grading has an estimated turnaround of 2-5 business days and is priced at 18 per card