op 10 one piece booster box TCG [OP-10] Royal Blood (Japanese) – Card Piece a colorful mix One Piece Original Korean Sealed

This could include small creases, scratches, scruffs, bends or a combination of the above in a moderate degree

Combos: Sliver Overlord + Amoeboid Changeling = Permanently steal any creature Sliver Overlord + Morophon, the Boundless + Mana Echoes = Play every sliver in the deck

There are plenty of outdated mechanics that newer players could find weird, like playing for ante

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)

There are many cards to replace all of the boosting/movement/extra actions/resource acquisition