Each Crystal Pokmon has three Energy types which they can change to via Crystal Type, with these matching the Energy required for their attacks
As a Scarlet & Violet set, Paldea Evolved is still a relatively recent release compared to others on the list, making it easier to find than any other set mentioned
When you do, that player reveals their hand and you choose a nonland card from it
Now, yes, there were English versions of these Sample cards made by Nintendo (behind Wizards back, which is why they had a falling out in 2003), but this Pikachu card was never part of it
Then you can give everything from your graveyard haste, to swing faster, as well as from exile casts to Command Zone ones
Although codes may not be strictly necessary from a gameplay perspective, the rewards that they would unlock would undoubtedly be very welcome regardless, meaning that there is still a place for the feature in the mobile game