At Gray Gauntlet Games, we handle the deckbuilding so you can get straight to the table
The minimum recommended to keep the cards in great condition is to sleeve them (perhaps even double sleeve the holo cards) and keep them in a good binder

These are the 10 most valuable cards in the GameStop Power Packs, as listed on the official website: Advertisement Article continues below this ad Gengar-Holo, 2003 Pokmon Skyridge ($33,183) Rayquaza-Holo, 2005 Pokmon Ex Deoxys - Gold Star ($29,000) Gyarados-Holo, 2006 Pokmon Japanese Holon Phantoms - Gold Star ($22,131) Full Art/Lillie, 2017 Pokmon Japanese Sun & Moon - GX Battle Boost ($14,992) Michael Jordan, 1997 Hoops High Voltage - 500 ($14,965) Celebi ex-Holo, 2005 Pokmon Unseen Forces ($14,589) Tom Brady, 2021 Panini Donruss Optic Downtown - Black Pandora ($14,586) Tom Brady, 2000 Bowman Chrome ($14,101) Blaine's Charizard, 2000 Pokmon Gym Challenge - Holo - 1st Edition ($13,962) Tropical Wind, 2007 Pokmon World Championships Promo - Japanese ($13,864) A GameStop video compilation showed content creators pulling cards ranging in values from $350 to more than $7,200
Remember: You dont get the ETB when you flip over a face-down card
Is Aura Extraction legal to play