I don't think there's anyone in that anime who doesn't cheat.
Using a magic eye to read your opponent's mind while playing card games is cheating.
There's even a random card where you go to play it and the computer is like Bzzt, this card is password protected, you can't play it without putting in the password, it is also hacked to be ridiculously overpowered.
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In the dub, people getting stabbed to death is replaced with someone's soul being ripped out with a magic artefact and being sent to a dark place forever.
