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Deck Description
Dueling Nexus user Fivez brought to you this deck with everyone, while this description was published by Lorelei. Today I would like to share with you a deck called: old Mathmech deck. This is a casual deck. A casual/fun deck, is not a top deck. Generally speaking it will be built without too many cards that negate effects, given that people that play them, want to experience the adversaries strategies at their fullest. This deck uses the February 2026 TCG banlist. This deck was first shared on 2026-05-05.
This is a Combo deck. Combo decks rely on 2+ card combinations and have high synergy. Furthermore this deck relies on having a lot of special summons. This deck is moderately easy to play.
You can scroll down to see the full list. There are 43 cards in the main deck.
I have many yugioh decks and I built most of them using the Dueling Nexus deck editor because its my favourite one. You can easily see many different opening hands using the shuffle button.











































