Some of the distinctions of JP printed cards overlap with the hallmarks of counterfeit cards
Obviously, in any Flubs, the Fool deck you're trying to remain hellbent as long as possible to rattle off cards from the top of your library
This includes putting all the pieces of a card into a single file (text, frame, mana cost, collectors number, art, etc) to make the card for print
But her true boon comes with PUNY PIRATE
When you exile a nonland card this way, Hidetsugu, Devouring Chaos deals damage equal to the exiled card's mana value
Very few people inside WotC (access to the files and ability to edit them) would be able to print something for fun to their office printer, but it will resemble something thats homemade