blackfire card sleeves - Small sleeve decks for an extra layer of protection against dust Blackfire Magic Size Soft Sleeves

Another method thats used is to have each player cut their deck and show the bottom card

According to IGN, the only known Gem Mint condition Charizard in existence was sold in a 2021 auction for $493,230, making it one of the most expensive Pokmon TCG cards of all time

Decklist: Start Your Engines

[21] A type of card dubbed "Baby Shiny Pokmon", were introduced in a later expansion, which depicted Shiny Pokmon without an art display that took up the whole card

This happened with Biorhythm, Braids (Cabal Minion), Coalition Victory, Gifts Ungiven, and Panoptic Mirror, which were all unbanned and added as Game Changers