"Any card—so long as it exists—has a power that is needed."
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episode 64 manzai! don’t speak too soon yuuya.
Serena: Jack Atlas… the duelist known as King.
Yuuya: I’ll be having a showdown with Jack!
Serena: On the eve of the Friendship Cup, huh. I’m looking forward to how Jack will duel.
Yuuya: You’ve got to cheer me on! I’ll display my ultimate entertainment duel!
Serena: Cheer you on? Ha! Duelling is for the sake to win! If you want to call yourself a duelist, you better win this!
Yuuya: Serena’s support is so harsh… Jack’s also a duelist who aims for entertainment. I definitely won’t lose!