Fiendsmith Control

Master I from
Giga Jeje
on October 14th, 2025
cp-ur 1260 + cp-sr 240
40 cards
Fabled Lurrie
2 copies
Droll & Lock Bird
2 copies
Maxx "C"
3 copies
Ash Blossom & Joyous Spring
3 copies
Mulcharmy Fuwalos
2 copies
Mulcharmy Purulia
Lacrima the Crimson Tears
2 copies
Ext Ryzeal
3 copies
Ice Ryzeal
Node Ryzeal
3 copies
Sword Ryzeal
2 copies
Fiendsmith Engraver
Nibiru, the Primal Being
2 copies
Triple Tactics Talent
Bonfire
3 copies
Fiendsmith's Tract
Ryzeal Cross
2 copies
Called by the Grave
Crossout Designator
3 copies
Infinite Impermanence
Fiendsmith in Paradise
Fiendsmith's Lacrima
Fiendsmith's Desirae
Fiendsmith's Rextremende
Evilswarm Exciton Knight
Gallant Granite
2 copies
Ryzeal Detonator
Ryzeal Duo Drive
D/D/D Wave High King Caesar
Mereologic Aggregator
Fiendsmith's Agnumday
Fiendsmith's Requiem
S:P Little Knight
Moon of the Closed Heaven
Fiendsmith's Sequence

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

Rex is the real MVP

The Fiendsmith engine alone gave me a ton of wins. Combined with Ryzeal, even if your opponent manages to deal with Ryzeal cards, they'll almost never manage both.

You just need Tract/Engraver + any level 4 (Mulcharmys are no longer bricks) to finish with Cross + Detonator with 3 materials (Agregator attached) + 4800 Rex + Paradise (to wipe the field AND banish it from grave to send Desirea to have 1 more pop) + Nib in hand to avoid dying in the worst case scenario.

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