Disclaimer: I will not focus on Art or grammar, unless the latter would make the deck too difficult to understand.

...Well, congratulations, I had to google up math terminology because of Darius Gauss' entry. And I have to figure there are a lot more math easter eggs in the entire design that I'm definitely missing xD

Now, for actual thoughts? Honestly, it's a good thing you specified this duel is meant to be a spectacle from the get-go, because the mechanics really make it one between all the effects. I actually really like the changing field effects here, and the unpredictability of it all - like the fate of the world really was on a knife's edge, if Darius were to succeed in his quest, and you really have to scramble through whatever may come to reach him. I really approve.

Admittedly, I can't help but to wonder if this deck could use a Simple Card Move that just rolls the World Die, or would that go against your personal philosophy with this encounter? Also, I think Newton probably could use an effect tied to X-Dragon as well. I seem to recall the rulebook cautioning effect ties to just a single card, or something to that effect.

Good job!

Really cool deck. I like when there's special things happening in duels outside of the normal mechanics. Great job! :)