This thread about made-up/misunderstood card effects is fun. Some of them would be really neat!
https://www.reddit.com/r/yugioh/comments/tjcxt9/whats_the_dumbest_effect_you_thought_up_on_a_card/
“I thought you can use Scrap-Iron Scarecrow infinite times.”
“He had a card that he called King of the thousand hands, which was Senju of the thousand hands, and a more female looking one that he called Queen of the thousand hands, i believe that this was also senju, just with a different artwork. My brother told me that if king and queen are on the field they create the "kingdom of the thousand hands" which had 0 atk and 10000 def“
“I thought you had to draw a maze when you played labyrinth wall, and play it out like the anime.“
“My brother and i believed that La Jinn had a effect to make 3 wishes, because of the legends. We take out "win the game" wish because it was unfair, so, the wishes were around buying cards, destroying cards or making special summons.“








