15 Strongest Yu Gi Oh! Monsters, Ranked With the current state of the game focusing so heavily on LIGHT Attribute decks, it just makes sense that Ally of Justice Cycle Reader was the MVP in Dinh Kha Bui's winning Unbeknownst to most, Master Duel has a resident Cubic expert who's spent the past 8 years mastering the deck. I reached out to them and here's their take on Genesys Cubic, double Yu Gi Oh! 15 Most Powerful Decks In The Game's History, Ranked