Disclaimer: I don't own Pokemon or Yu-Gi-Oh in any form!
Summary: Ash in need for a greater challenge after the Kalos League gets invited to a region named Millennia. This challenge is greater than he expects since people battle each other not with Pokemon but with cards. Welcome to Battle City!
Genre: Adventure, Friendship
Main characters
Ash
Yugi
Joey Wheeler
S. Kaiba
Tea
Serena
Dawn
Tea
Supporting Character
Duke Devlin
Serenity
Mai Valentine
Ishizu Ishtar
Odion Ishtar
Antagonists
Marik
Yami Marik
Rare Hunters
Others
Ash will have at least 2 or 3 decks. The first one will be on the Elemental Heroes, the second one will be a Pokemon deck, and the third one will be a mystery. Should Serena, May, Dawn duel as well? If not at least Tea could have some female friends.