Speaking of the vrains world at that time, duelists used "simple" and "entertaining" decks to "learn" and "understand" each other until someone appeared...
"Okay, let's play cards today. Why don't you use the effects?"
"... Would you like to read the effects of your monster yourself?"
"Eh? Special summoned attack position monsters on the opponent's field cannot activate their effects."
"So, some evil person wrote the effect. It's completely overwhelming..."
"Hey hey"
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.