see through card sleeves Gamegenic Board Game Tarot-Size Clear – Asmodee USA your collection stays protected from the moment it leaves the pack. Trading Card Plastic Sleeves 540-Pack

Even though its not as limited as early trophy or prototype pieces, it was sold at an eBay auction for $60,065 in October 2020

Smuggler's Copter Copter is stupidly powerful

Brand: YuGiOh Company: Konami Series: Star Pack 2013 Item Type: Single Card Release Date: March 1, 2013 UPC: 0610622043257 Stock #: 342282 Our Guarantees to You, Our Valued Customer

Their buylist is $4, so thats the floor

But pack in 4 Jigglypuffs and ~3-4 Wigglytuffs in particular for this build

You can collect cards either by scanning code cards or purchasing booster packs with digital currency earned in-game by completing quests and working through battle passes