Yu-Gi-Oh!, all my sister cards have maxed out their favorability?

(OCG direction, careful analysis, even newbies can read without pressure!)
Traveling to a world where dueling is everything, but card effects require favorability to be used?
What? All my sister cards have maxed out their favorability?
That's fine.
Sweep away the conspiracy of the men in black and revive the Eastern Duel! Goal: World Championship!