Mathmech

Master I from
YUSEI
on September 10th, 2025
cp-ur 750 + cp-sr 360
40 cards
3 copies
Effect Veiler
2 copies
Droll & Lock Bird
2 copies
Maxx "C"
3 copies
Ash Blossom & Joyous Spring
Backup @Ignister
Firewall Guardian
Mathmech Addition
Mathmech Multiplication
Mathmech Sigma
Mathmech Subtraction
Mathmech Diameter
3 copies
Mathmech Circular
3 copies
Firewall Defenser
Mulcharmy Fuwalos
2 copies
Artifact Lancea
Nibiru, the Primal Being
A.I. Connect
3 copies
Cynet Mining
Mathmech Equation
Triple Tactics Talent
2 copies
Called by the Grave
Crossout Designator
3 copies
Infinite Impermanence
Mathmech Superfactorial
Cyberse Desavewurm
Firewall Saber Dragon
Enigmaster Packbit
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

painful season as always with maliss around but with this new support my precious deck Mathmech become much stronger and amazing

i remove parallel i only added to my deck this month 1 backup and 1 ai connect and for the extra deck firewall saber , wicckid , allied code

wicckid is very amazing also against ryzeal so it dont DESTORY it and the monsters pointing under it and now you can use it to add backup very amazing

right now i will play with this build because it just got released and mabey later i might changed it to add cards

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Replays

replays on my master duel account

895-292-389

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