But what is next
Raining Cats and Dogs qualifies for free shipping where available.
immediately after this effect resolves, Link Summon 1 DARK Link Monster using only this card you control and that opponent's monster as material
Its fanbase is genuinely global, but the origin culture is Japanese, the manga and anime are consumed in Japanese first, and the collector community that has been deepest in this hobby from the very start (the most nostalgic), the community that was buying OP-01 at launch price and understands the IP at its deepest level, is largely Japanese or Japanese-market adjacent
Merfolk is a good one, Wizards can go mono blue (Patron Wizard), loads of combo decks and artifact ramp decks are also fine to be mono blue for
Take Think Twice as an example, a card you can readily purchase for a few cents but the Traditional Foil Japan Showcase printing can be worth upwards of $20 with a further multiplier if the card is a Fracture Foil