Ariokan is the online card game where you can create your own cards at any time and invent new strategies, decks, and combos every day. But it doesn't end here. First and foremost, Ariokan is a game where you can tell your story through your cards. You can create cards to talk about the characters you've always dreamt to impersonate, lead them into the battlefield, and crush your opponents, or join them (if you can't beat them, you know)... Or you just make meme-decks and have fun. Or you copy other people's deck. You can literally do whatever you want. So how does all this "card creation" work? It literally takes you a few seconds to make an official, balanced card. (or hours, if you want to fine tune / overthink it. Your choice!)
Video by Freshlobster dated October 2023. Since then, many upgrades have been done to the game and it is also visually improved, though this video still a very good walk through of the game, explaining the core functionalities and concepts