Mathmech

Duelist Cup DLv. Max from
Sofke
on September 20th, 2025
cp-ur 720 + cp-sr 360
42 cards
Dotscaper
Micro Coder
2 copies
Maxx "C"
3 copies
Ash Blossom & Joyous Spring
Ghost Belle & Haunted Mansion
3 copies
Backup @Ignister
Firewall Guardian
Mathmech Addition
Mathmech Multiplication
Mathmech Sigma
Mathmech Subtraction
Mathmech Diameter
3 copies
Mathmech Circular
3 copies
Firewall Defenser
2 copies
Mulcharmy Fuwalos
Wizard @Ignister
2 copies
Parallel eXceed
2 copies
A.I. Connect
3 copies
Cynet Mining
Mathmech Equation
Triple Tactics Talent
2 copies
Called by the Grave
3 copies
Infinite Impermanence
Mathmech Superfactorial
Cynet Conflict
Cyberse Desavewurm
Firewall Saber Dragon
Geomathmech Final Sigma
Primathmech Laplacian
Primathmech Alembertian
Allied Code Talker @Ignister
Linguriboh
Link Decoder
Cyberse Wicckid
Splash Mage
G Golem Crystal Heart
Transcode Talker
Decode Talker Heatsoul
Accesscode Talker
Firewall Dragon Darkfluid - Neo Tempest Terahertz

Prerequisites

  • A registered Konami ID linked to your master duel game
  • Must login to Yu-Gi-Oh! Cards DB using the same Konami ID
  • If the Yu-Gi-Oh! DB website asks to login with Game Card ID just click "I don't have a game card ID" and fill some basic information to proceed

Export Guide

- Via the MDM extension (Recommended): Download on Firefox, or Chromium Browsers
For Chromium browsers (Chrome/Edge/Opera/Brave...etc) just click "Add to chrome" on the store page and it'll work on most if not all chromium browsers.
After using the extension, go to the Master Duel game => Main menu => Deck option => The Card database option at the top right corner => locate the deck you exported and copy it
Don't show this again
- Manually
  1. Click here to copy the export code
    2.
  2. Go to Yu-Gi-Oh! Cards DB and click My Deck => Add a Deck
  3. Once the deck page loads click Edit then do one of the following based on the platform your device is running:
    • (PC Only): Press F12 to open the DevTools window => Navigate to the Console tab in the window => Paste the export code => Hit Enter
    • OR (Other platforms/PC): In the address bar of the current tab remove the URL and type "javascript:" without the quotations then paste the export code, then if you're on mobile look for the *globe* icon and tap on it to run the code (Chrome only), for PC users just hit enter.
  4. The deck will save automatically
  5. Go to the Master Duel game => Main menu => Deck option => The Card database option at the top right corner => locate the deck you exported and copy it

Click here for a more detailed guide

Notes & Combos

Same build as my Rated Duel list. The deck still performs really well, so I didn't feel the need to change anything.

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Replays

This time I tried something different when it comes to replays, so now besides the usual profile duel replays, there is also a VOD from my Twitch stream where I went on a decent streak in the early part of my Duelist Cup climb. The VOD expires on the 24th of September, so make sure to check it out while it is up (any feedback is also welcome!).

Duel replays if you want to check them out:

  • Master Duel: 519-092-875
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