mtg march of the machines collector booster box - Machine ~~~~ Each March of the Machine Draft Booster contains 15 cards and 1 token/ad card or Helper card March Of The Machines Collector

There are also plenty of flex spots to do whatever you wish with since Madolche's core is so compact

"Dust Barrier" is really similar to one of the effects of the "Castle of Dark Illusions" in the anime and "Ultimate Obedient Fiend" just looks like a card he'd definitely use, but I'm not sure how that would go in the anime, since he has more ATK power than Blue-Eyes and wasn't even meantioned once (a missed opportunity I'd say).

And why not go full LotR theme by pairing it with a card like Call of the Ring

The floor of getting back a fetch land and a good creature that traded in combat is awesome, and the ceiling of two threats of nearly any permanent type is immense