There are two different kinds
A gush of initial popularity combined with distribution hiccups kept hobby store shelves barren of booster packs, starter decks and other products for months after Lorcana released, exacerbated by zealous scalpers funneling plenty of cards into a speculative secondary market where weve already seen individual cards catch 5-digit price tags

Javits Convention Center 429 11th Avenue New York, NY 10001 Event Schedule EVENT SCHEDULE Show Floor Hours: Thursday, October 17: 10AM 7PM Friday, October 18: 10AM 7PM Saturday, October 19: 10AM 7PM Sunday, October 20: 10AM 5PM Event Name Thursday Friday Saturday Sunday 2025 Regional Qualifier Tournaments 10:00 AM 3:30 PM 10:00 AM 3:30 PM 10:00 AM 3:30 PM 10:00 AM 1:30 PM DUEL LINKS Tournaments 10:00 AM 4:30 PM 10:00 AM 4:30 PM 10:00 AM 4:30 PM 10:00 AM 2:30 PM MASTER DUEL Tournaments 10:00 AM 4:30 PM 10:00 AM 4:30 PM 10:00 AM 4:30 PM 10:00 AM 2:30 PM Rivalry of Warlords Tournaments 10:00 AM 4:30 PM 10:00 AM 4:30 PM 10:00 AM 4:30 PM 10:00 AM 2:30 PM Speed Duel Constructed Deck Tournaments 10:00 AM 4:30 PM 10:00 AM 4:30 PM 10:00 AM 4:30 PM 10:00 AM 2:30 PM Structure Deck Tournaments 10:00 AM 4:30 PM 10:00 AM 4:30 PM 10:00 AM 4:30 PM 10:00 AM 2:30 PM Tag Duel Tournaments 10:00 AM 4:30 PM 10:00 AM 4:30 PM 10:00 AM 4:30 PM 10:00 AM 2:30 PM Time Wizard Tournaments 10:00 AM 4:30 PM 10:00 AM 4:30 PM 10:00 AM 4:30 PM 10:00 AM 2:30 PM Win-A-Mat Tournaments 10:00 AM 4:30 PM 10:00 AM 4:30 PM 10:00 AM 4:30 PM 10:00 AM 2:30 PM Dragon Duel Casual Sealed 12:00 PM 12:00 PM 12:00 PM ATTACK OF THE GIANT CARD

Current sets sit in the low-to-mid thousands of baht, while hyped out-of-print sets climb from there
If you didn't have an answer for your opponent's common, you were effectively dead