There's a ton of cards that were created to allow the duelists to draw cards so the writers can keep their hands filled, such as Card of Last Will, Card of Demise, Nibelung's Ring, and especially Card of Sanctity
First Edition Pokmon cards, especially, can appreciate in value, turning a childhood hobby into a potentially lucrative venture
Decorate your space: Hang your favorite Pokmon on the wall, use them as locker decorations, or make your own posters
Finally, weve got Perilous Forays, which allows you to sacrifice a creature to put a basic land into play tapped
But it's also not uncommon for the wealthy to keep a small social media footprint, if they have one at all