modern horizons iii collector booster box Sample Pack • 3 (MH3) A full display of Play Boosters supportsa Draft event with extra left over to maximize the fun for your community Collector Booster Box | Modern

It looks like they're selling identification cards

Revival Gift (Common) Carta Revival Gift (Common) de YUGIOH Crossroad of Chaos

While some might argue you should do this second, looking at your decks composition gives you a better idea of which colors you need more access to, which will help narrow down what you should be considering

Some of the stronger options include Alandra, Sky Dreamer, Homunculus Horde, and Minn, Wily Illusionist

2 Silent Magician LV8 - Quarter Century Secret Rare - $83.34 One Of Yugis Main Monsters Silent Magician LV8 is a card from when Yu-Gi-Oh

I also recommend visiting the Pokmon Cafe in Tokyo anyway as the merchandise store there is big and that section of Sunshine City Department Store has lots of Pokmon decorations and statues