You still see it from time to time, usually in a newer players deck, but if the right knight cards come along I could see a resurgence for this quick 1-drop
Theres a sort of stacking feature here where digi-volving allows you to combine effects from different cards (mutate in MTG, anyone?), so theres a lot of customization available during gameplay, too
My advice is to just play with things
Unless youre a big gambler, this forces you to go through the entire submission in store and see all of your grades in front of strangers
The more you play Nexomon, the more you can tell how much the developer loves Game Freak games, but I'd go as far as to argue that some mechanics are better than the inspiration
Keeping in line with one of Prospers abilities but also expanding to a more widespread archetype for Rakdos, we have treasures