Therion

King of Games from Alternate Attax on April 11th, 2026
Gems 35.5k + $71
Skill Therion Battle Royale
30 cards
UR Rarity
The Winged Dragon of Ra - Sphere Mode
UR Rarity
Therion "King" Regulus
UR Rarity
Therion "King" Regulus
UR Rarity
Galaxy-Eyes Tachyon Primal
UR Rarity
Lava Golem
UR Rarity
Lava Golem
UR Rarity
Lava Golem
SR Rarity
Therion Irregular
SR Rarity
Therion "Lily" Borea
SR Rarity
Therion "Lily" Borea
SR Rarity
Therion "Lily" Borea
R Rarity
Therion "Empress" Alasia
R Rarity
Therion "Empress" Alasia
R Rarity
Therion "Empress" Alasia
R Rarity
Therion "Reaper" Fum
N Rarity
Therion "Duke" Yul
N Rarity
Therion "Duke" Yul
N Rarity
Therion "Bull" Ain
UR Rarity
Therion Discolosseum
UR Rarity
Therion Discolosseum
SR Rarity
Spiritualism
SR Rarity
Spiritualism
SR Rarity
Spiritualism
N Rarity
Therion Charge
N Rarity
Vaylantz World - Konig Wissen
N Rarity
Vaylantz World - Konig Wissen
N Rarity
Vaylantz World - Shinra Bansho
N Rarity
Vaylantz World - Shinra Bansho
UR Rarity
Tachyon Transmigration
R Rarity
Therion Cross
UR Rarity
Super Starslayer TY-PHON - Sky Crisis
UR Rarity
Number 90: Galaxy-Eyes Photon Lord
UR Rarity
Number 38: Hope Harbinger Dragon Titanic Galaxy
UR Rarity
Number 107: Galaxy-Eyes Tachyon Dragon
UR Rarity
Galaxy-Eyes Full Armor Photon Dragon
UR Rarity
Hieratic Sun Dragon Overlord of Heliopolis
SR Rarity
Teardrop the Rikka Queen
SR Rarity
Divine Golden Shadow Dragon Dragluxion
R Rarity
Galaxy Satellite Dragon

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

Not many changes from the past season compared to Tachyon now Therion is dominating and confirmed to be Tier 0 deck. The key card right for my deck is Spiritualism and Sun Dragon, which helps counter P.U.N.K., Eldlich, and other decks that rely on negating Special Summons.

The deck is extremely strong at the moment, especially with 3 copies of Spheres being allowed. I personally think this will get hit after the next KC Cup, along with the skill possibly being targeted as well.

If you have any questions or want more info here is my discord : K1jinx

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