Gem-Knights

Duelist Cup DLv. Max from
Laessig
on September 23rd, 2025
cp-ur 1260 + cp-sr 300
45 cards
Fabled Lurrie
3 copies
Droll & Lock Bird
2 copies
Maxx "C"
Nemeses Flag
3 copies
Ash Blossom & Joyous Spring
3 copies
Gem-Knight Nepyrim
2 copies
Gem-Armadillo
Nemeses Corridor
Gem-Knight Quartz
3 copies
Mulcharmy Fuwalos
Lacrima the Crimson Tears
2 copies
Fiendsmith Engraver
2 copies
Gem-Knight Hollowcore
Nibiru, the Primal Being
Archnemeses Protos
3 copies
Gem-Knight Dispersion
Gem-Knight Fusion
Triple Tactics Talent
2 copies
Fiendsmith's Tract
3 copies
Brilliant Fusion
2 copies
Called by the Grave
Crossout Designator
3 copies
Forbidden Droplet
2 copies
Infinite Impermanence
Gem-Knight Seraphinite
Fiendsmith's Lacrima
Thunder Dragon Colossus
Gem-Knight Lady Rose Diamond
Fiendsmith's Desirae
Infernal Flame Banshee
Super Starslayer TY-PHON - Sky Crisis
Fiendsmith's Requiem
Gem-Knight Phantom Quartz
S:P Little Knight
Moon of the Closed Heaven
Fiendsmith's Sequence
Apollousa, Bow of the Goddess
Accesscode Talker
A Bao A Qu, the Lightless Shadow

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

Used the deck I always use for OCG ranked games, with some changes thanks to Brilliant Fusion at 3 and more accessible Fiendsmith engine.

Very resillient through HT, but Maxx C/Fuwalos are your worst enemies. Droll hurts but Moon exists.

Very comfortable with 45 cards, I originally put Ryzeal cards as well (1 Node, 1 Ext, 1 Detonator/Duodrive/Aggregator), but seems win-more for a single match.

Drawing either Corridor/Protos also hurts (which is why it's 40+ cards deck), but without interruption that's Colossus + Maliss SS forbidden.

P.S. Tbh it's a smooth run but kinda lucky too, drawing Fuwa/C a few times or Droplet to avoid imperm (lv Max duel was vs Mirror's negate).

P.P.S. Combos are super super long, literally single player mode.

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