can i use japanese cards in pokemon tcg vs. English Pokemon Cards: Differences, Value, an 2024's Most Valuable Japanese Pokemon

No supplies sent in as packaging for an order (deck boxes, binders, sleeves, etc.) can be returned

You cant have two copies of Teferi's Ageless Insight, but if you had this card and Thought Reflection then every draw except your first would net you four cards

That doesnt mean you can use one as the king and just add the others as a regular part of the deck, and because of that

12 Marvin, Murderous Mimic A Little Bit Of Everything It should be obvious right away that Marvin, Murderous Minimic is begging to be a part of some sort of combo and that's because it is

The latter, in fact, will offer all the Juniper Order Ranger shenanigans you like