Mermail Atlantean

WCS Regional Qualifiers Win Streaks from
tarotplz
on June 14th, 2025
cp-ur 870 + cp-sr 540
42 cards
3 copies
Neptabyss, the Atlantean Prince
2 copies
Maxx "C"
Atlantean Heavy Infantry
3 copies
Ash Blossom & Joyous Spring
2 copies
Deep Sea Minstrel
2 copies
Abyssrhine, the Atlantean Spirit
3 copies
Mermail Shadow Squad
3 copies
Atlantean Dragoons
3 copies
Mermail Abysspike
3 copies
Mulcharmy Fuwalos
Superancient Deepsea King Coelacanth
3 copies
Mermail Abyssteus
3 copies
Poseidra, the Storming Atlantean
Moulinglacia the Elemental Lord
2 copies
Gameciel, the Sea Turtle Kaiju
2 copies
Nibiru, the Primal Being
3 copies
Sekka's Light
2 copies
Called by the Grave
Coral Dragon
Deep Sea Prima Donna
Adamancipator Risen - Dragite
Icejade Gymir Aegirine
LeVirtue Dragon
Bahamut Shark
Abyss Dweller
Number 4: Stealth Kragen
Mermail Abyssgaios
Abysstrite, the Atlantean Spirit
Poseidra Abyss, the Atlantean Dragon Lord
Mermail King - Neptabyss
Mermail Abyssalacia
Marincess Coral Anemone
Abyss Keeper

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

The Sekka's Light version is really strong. Feels way more consistent than the other Mermail builds I've tried. Gameciel is surprisingly solid if the coin-tosses aren't on your side.

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