Dragon Ruler / Assault Mode (Trinity, September 2019)

Deck Information
Deck Type: Meta Decks
Deck Master: Stardust Dragon/Assault Mode
Submission Date: August 31st 2019
Author: TreetopDuelist
YGOPRODeck File Download
Trinity Format Decks



  • GY removal hurts a lot
  • Can brick (lots of garnets)



Summon Psi-Reflector, use its effect to search for Assault Beast.
Assault Beast searches Assault Mode Activate.
Reveal Assault Mode Activate with Psi-Reflector to summon Assault Beast.
Make Assault Beast level 7 with Psi-Reflector.
Synchro Summon Stardust Dragon!
On your opponent's turn, flip Assault Mode Activate to make Stardust Dragon/Assault Mode.

Even if you have a garnet, you can still use the above combo (or just Psi-Reflector and a Dragon Ruler) to make Beelze of the Diabolic Dragons. Note that drawing Assault Mode Activate will still let you make Stardust Dragon/Assault Mode. Just Synchro Summon Stardust Dragon normally!

We play a Trinity on Tidal, Dragon Ruler of Waterfalls, since he has the worst search pool. This lets us banish Tidal to search Stream, Dragon Ruler of Droplets, who can then summon the other Tidal.

Other interactions of note involve using Tuning Gum to make Beelze of the Diabolic Dragons, to give it targeting protection.
You can also use Cyberse Synchron to make Leo, Keeper of the Sacred Tree, with destruction protection.
Finally, a cool tech I want to point out is Necroid Synchro, letting us make Stardust Warrior for free!

Toggle Deck List
MonsterTidal, Dragon Ruler of Waterfalls x2
Stream, Dragon Ruler of Droplets x1
Guardragon Justicia x1
Redox, Dragon Ruler of Boulders x1
Reactan, Dragon Ruler of Pebbles x1
Exploder Dragon x1
Tempest, Dragon Ruler of Storms x1
Lightning, Dragon Ruler of Drafts x1
Koa'ki Meiru Drago x1
Dragunity Darkspear x1
Dragunity Corsesca x1
Blaster, Dragon Ruler of Infernos x1
Burner, Dragon Ruler of Sparks x1
Flamvell Guard x1
Hieratic Dragon of Gebeb x1
Hieratic Dragon of Nuit x1
Cyberse Synchron x1
Tuning Gum x1
Psi-Reflector x1
Assault Beast x1
Stardust Dragon/Assault Mode x1
Archfiend Eccentrick x1
Effect Veiler x1
Ash Blossom & Joyous Spring x1
Ghost Ogre & Snow Rabbit x1
Baobaboon x3
Cyber Jar x1
Morphing Jar x1
SpellsGold Sarcophagus x1
Future Fusion x1
Upstart Goblin x1
One for One x3
Emergency Teleport x2
Hidden Armory x1
Premature Burial x1
Necroid Synchro x1
Pot of Desires x1
Lightning Vortex x1
Burial from a Different Dimension x1
Twin Twisters x1
Called by the Grave x1
TrapsAssault Mode Activate x1
Back to the Front x1
Trap Stun x1
Torrential Tribute x1
Guardragon Cataclysm x1
Hieratic Seal From the Ashes x1
Dark Factory of More Production x1
Solemn Scolding x1
ExtraFive-Headed Dragon x1
Stardust Dragon x1
Scarlight Red Dragon Archfiend x1
PSY-Framelord Omega x1
Beelze of the Diabolic Dragons x1
Trishula, Dragon of the Ice Barrier x1
Vermillion Dragon Mech x1
Dragunity Knight - Ascalon x1
Leo, the Keeper of the Sacred Tree x1
Number 11: Big Eye x1
Mecha Phantom Beast Dracossack x1
Dragunity Knight - Gae Dearg x1
Signal Warrior x1
Stardust Warrior x1
Hieratic Seal of the Heavenly Spheres x1


Creator of the Trinity Format; article writer and tabletop games enthusiast.

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