Mathmech

Duelist Cup DLv. Max from
lifepointaker
on September 18th, 2025
cp-ur 690 + cp-sr 450
42 cards
Effect Veiler
2 copies
Droll & Lock Bird
Micro Coder
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
3 copies
Mulcharmy Fuwalos
2 copies
Artifact Lancea
2 copies
Nibiru, the Primal Being
2 copies
A.I. Connect
3 copies
Cynet Mining
Mathmech Equation
Small World
2 copies
Called by the Grave
Crossout Designator
Infinite Impermanence
Mathmech Superfactorial
Cynet Conflict
Cyberse Desavewurm
Firewall Saber Dragon
Enigmaster Packbit
Primathmech Laplacian
Primathmech Alembertian
Salamangreat Almiraj
Link Decoder
Cyberse Wicckid
Code Talker Inverted
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
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- 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

Very easy climb. 15-5 in my last 20 games. 7 game win streak twice. This deck is so much better post ignister support.

I think that Allied Code Talker is win more in conflict versions. Terahertz + Heatsoul + Superfact + Conflict with both sends is plenty strong enough.

Wizard ignister isn't really needed for any combo that I go for. Micro coder is almost always searched on backup. Backup + normal summon is still combo without wizard.

Single defenser start does not need a 2nd link 1 to work. It's still full combo when starting with link decoder.

Inverted has a lot of good combos. It makes micro + hand trap not a brick, allows the deck to play through interruption better, and sometimes enables the board to end on conflict easier.

Circ + defenser and circ + normal summon + lv 4 extender and circ + backup all end on basically full combo through alembertian negate when playing inverted. (It allows you to get diameter in gy by searching it with a.i. connect and then you can summon diameter with inverted).

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Replays

YouTube: https://www.youtube.com/lifepointaker

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