Cana faces off against the new Scorpio in a card game battle that pits simulacra of Fairy Tail members against Celestial Spirits! But she doesn't know the rules of the game, and if she loses, Cana will become a card in Scorpio's deck!
That's the meaning of 
"I am the rules." The rules are you,
،ذلك ما يعنيه "أنا القواعد"، اللاعب هو من يُمثّل القواعد