Raphael walks into a classroom, wheeling in his D-Wheel.
"Okay, everyone," he says. "Here's how it is."
He pulls out his deck, absentmindedly performing a few tricks with the cards as he speaks and paces around.
"Learning how to play Duel Monsters has become a keystone in the arch of society. And you can believe me when I say that we'll be needing strong duelists in the days to come. So I have come to impart my knowledge of this game onto you.
I can supply you with spare cards that I've obtained over my recent...travels. But what comes after depends is up to you. Any questions?"