Admittedly, the individual cards that would be cut from the format are important
As you pointed out, the difference between Pokmon EX and Pokmon GX is that the former ones are always Basic whereas the latter ones are always the stage they are supposed to be [1] (except for Tag Team GX cards which are also always Basic)
Umbreon Gold Star The Umbreon Gold Star was released in 2005 and is relatively new compared to other rare cards
Pokemon Pocket's Next Booster Includes Reprints, Guaranteed Rares, And A Chance For Everyone To Play Catch-Up That's exactly what the Pocket version will be, although for some reason, the digital packs will include one card less, whereas physical High Class packs include one card more
What is the difference between standard and Japanese Pokemon card dimensions
But it can be a little clunky, so let me briefly explain it so you can properly execute it when the time comes: Have Worldgorger Dragon in your graveyard