I'd recommend one copy in any deck where it's legal if it weren't so expensive
Which combination is best depends on your preference, but heres a summary of each: The Standard single-sleeve is the simplest one-and-done option to protect your trading cards , and its main advantage is that its easy to take cards in and out of it, which is useful when youre constantly changing the contents of your deck
Enhance your deck with cards like Buddy Buddy Puffin, now available in a GOLD version, and the ACE Spec Hyper Aroma, which helps you search for up to 3 Stage 1 Pokmon
An expert recommendation is to stage your Energy attachments, dedicating one Energy per turn to a Benched Pokmon that you anticipate will be your next attacker
Card flat and stable : a slight movement during the scan is enough to throw off recognition
Quarter Century Bonanza is two sets in one