football card holder binder with Sleeves, 450 Pockets, Zipper Closure, Sports Trading Card Holder, 9-Pocket Removable Sleeves, D-Ring, Water-Resistant, Football-Themed, Acid-Free Pages Holds up to 360 standard Football Card Binder | Sleeves

Must first be Special Summoned by Tributing "Neo Arcadia Guardian - Sage Harpuia"

While this was by no means an instant Fusion Summon (such an effect would be even more powerful than the rightly-banned Cyber-Stein), this was a sure-fire way to bring out Fusion Monsters without having to rely on having the necessary Materials in your hand or on the Field, thinning your deck in the process

Its a DON

Across a full box you can expect roughly 180 cards total, with 60 or more at rare or mythic rare rarity

And while the SIR version of the supporter card bearing his name may not be worth a fortune, its a decent hit that certainly fits the theme of the set

Large windows gave people time to test, or at least prepare testing groups