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Deck Description
Thank you to E._H._Crump for uploading this amazing deck, and also Shiloh for writing this article. Today I would like to share with you a deck called: mathmech. This is a hat deck. HAT decks can only contain cards released before July of 2014. HAT decks have to use pre-errata versions of cards whenever they are available. This deck uses the April 2025 TCG banlist. This deck was first shared on 2025-04-08.
E._H._Crump didn't specify if this deck is better at going first or second at the start of the duel. E._H._Crump didn't specify the playstyle for this deck. E._H._Crump didn't specify how difficult this deck is to play.
You can see the full deck list under the article, the main deck has exactly 40 cards.
The Dueling Nexus deck creator is the best and most feature rich deck creator in the whole world. If you are wondering how to see your opening hands. You can easily do this from the deck creator by just pressing the shuffle button.
Main [40]
[5]
[10]
[25]
Extra [15]
[9]
[4]
[1]
[1]
