deck box card sleeves 1200 Pack Sleeves, Matte Dual Trading Card with Opaque Back & Smooth Shuffle, Tear Resistant Card Protectors for MTG, TCG and Game Cards (12 Colors) : Toys & Games prevent accidental opening Monster Magnetic Double Trading Card

Otherwise, there are probably better options on the table, especially when you consider the price

Lovely Labrynth of the Silver Castle Lovely Labrynth of the Silver Castle: A level 8 Dark Fiend-type monster with 2900 ATK and 1900 DEF

These sleeves are perfectly designed to fit into 3x4 top loaders and standard-sized cards, and are compatible with binders and card saver holders, offering versatile storage options for collectors of all levels

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Therefore, it seems that an 8-axis Dual Deck can be incorporated without difficulty However, with the introduction of Catalyst Field, Methanehide, etc., it became easier to put it on the field and it became much easier to use than before