Yu-Gi-Oh: The Age of Chaos

"Duel Monster Cards, consisting of Normal Monsters, Fusion Monsters, Synchro Monsters, Xyz Monsters, Link Monsters, Ritual Monsters, Effect Monsters, as well as Trap Cards and Spell Cards."
"Moreover, trap cards are divided into normal trap cards, counter trap cards, and continuous trap cards."
"Spell cards are divided into normal magic cards, continuous magic cards, equipment magic cards, quick-play magic cards, ritual magic cards, and field magic cards."
"In Mounted Duels, Spell Cards are replaced by Speed Spells."
Under the admiring gaze of the students, Asuka perfectly
Answered Professor Chronos' question.
Among them, Liuhua Youye among the students was stunned.
Can anyone tell him why there are synchronisms, excesses and even links in this era?
What kind of world did he come to? !
(A hodgepodge, one to four characters will appear.)