Mathmech

KC Cup DLv. Max from Ecto on September 8th, 2026
Gems 41.5k
Skill Mathmech Slicer
27 cards
UR Rarity
Mathmech Sigma
UR Rarity
Mathmech Sigma
UR Rarity
Mathmech Sigma
SR Rarity
Mathmech Diameter
SR Rarity
Mathmech Diameter
SR Rarity
Mathmech Addition
R Rarity
Mathmech Nabla
R Rarity
Mathmech Nabla
R Rarity
Mathmech Nabla
R Rarity
Mathmech Subtraction
N Rarity
Mathmech Division
N Rarity
Mathmech Multiplication
UR Rarity
Forbidden Droplet
UR Rarity
Forbidden Droplet
UR Rarity
Forbidden Droplet
UR Rarity
Cynet Mining
UR Rarity
Cynet Mining
SR Rarity
Book of Eclipse
SR Rarity
Book of Eclipse
SR Rarity
Hey, Trunade!
SR Rarity
Hey, Trunade!
R Rarity
Emblema Oath
N Rarity
Mathmech Billionblade Nayuta
N Rarity
Mathmech Equation
SR Rarity
Mathmech Induction
R Rarity
Mathmech Superfactorial
N Rarity
Centur-Ion Phalanx
SR Rarity
Geomathmech Final Sigma
SR Rarity
Geomathmech Final Sigma
SR Rarity
Centur-Ion Primera Primus
SR Rarity
Geomathmech Magma
R Rarity
Primathmech Laplacian
R Rarity
Primathmech Laplacian
UR Rarity
Decode Talker Heatsoul
SR Rarity
S-Force Justify
SR Rarity
Splash Mage

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

Centurion package is great, really helps for when you dont draw a droplet or eclipse going first. Would play 3 eclipse but only have two ;-;

Was playing three crow initially but removed them and the deck felt a lot more consistent, only real issues are branded matchups going second.

Overall a very fun deck to play and a quick climb <3

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