Mermail Atlantean

Master I from
LemmeCook
on July 25th, 2025
cp-ur 840 + cp-sr 540
40 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
3 copies
Artifact Lancea
Superancient Deepsea King Coelacanth
2 copies
Mermail Abyssteus
2 copies
Poseidra, the Storming Atlantean
Moulinglacia the Elemental Lord
3 copies
Sekka's Light
2 copies
Called by the Grave
Crossout Designator
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
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

The Maliss hype has put this deck way under the radar. Hand knowledge, deck knowledge, removing problematic cards like Droll Nib Spoly with Minstrel is just Chef's kiss

  1. Going first with this deck is almost a guaranteed win because no one knows how to interrupt it (Lancea does nothing to this deck, and people usually waste their Imperm or Veiler on Neptabyss which does next to nothing)
  2. Going second with this deck I usually drew into at least 1 Handtrap, and if I didn't had pretty decent chances going second. This deck isn't in love with going second but it has better chances than most (Poseidra, Infantry, Abyssrhine, Sekka's are what you want to see going second)
  3. I love Sekka's Light. Not only is it a +2 and a mulligan but its also very important for when you draw Coelacanth to put it back into the deck. Drawing that card is not great, and when I did lose games it was because it was stuck in my hand or Lancea stopped the Sekka's mulligan. Abyss Keeper was just not worth summoning most times.
  4. I was running only CBTG and Sekka's but kept dying to Maxx C and Fuwa so I started running Crossout around Master 3. I cut the third Poseidra the storming Atlantean and did not really miss it.
  5. Speaking of hand traps this deck insta dies to Droll and Nib. Coelacanth plays around Droll, and he is the best extender going second so I tried to save the Abysshrine effect for as long as possible.
  6. Honestly? When testing this deck I wasn't sure I would like it, but it ended up being one of my favorite decks of all time. I'm usually more of a control guy than a combo guy, and while this deck has a somewhat linear combo getting there is fun and did not feel boring at all.

I starting tracking games in Master 4 or 5 so if you care

  1. 52 games 32-20 or a 61.54% winrate
  2. Maliss 14-5 or a 73.68% winrate
  3. Format was actually kind of diverse? Reminded me when Purrely was tier 1 and everyone was running Thrust and Herald. I did not see a single Snake Eyes deck (besides a Meta Pile) which was very refreshing.
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