Sure, Great Tusk ex, Espathra ex, Nemonas Backpack, and even Donphan could see some light success, but the four cards listed in this article have a serious shot at seeing some competitive play
You can emote on their cards or even buy them if youre so inclined, but its mostly just a quick snapshot of cards that other people have created
Mox Lotus This card came from the same brainstorming meeting that made Gleemax cost one million
But since it had king in its name, implying there was something great about it, Japanese kids plugged away at leveling it up until they were finally rewarded with a Gyarados
During your opponent's turn (Quick Effect): You can Tribute this card, then target 2 "Prank-Kids" cards with different names in your GY, except Link Monsters