Umi Stun
TCG · Umi · Non-Meta Decks · 2026-06-29 · Source
Featured card
Sea Stealth Attack
One of the most-played Umi cards this deck runs.
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99 of 100 points, against the Genesys points list as of 27 September 2026, with the sizes and copy limits of a TCG deck.
Not checked: the Forbidden & Limited list; the TCG card pool (a card released only in the OCG).
Buy this deck — all 40 cards70 copies · about $43.37, main, extra and side deck
Main Deck
40 cards
Dogoran, the Mad Flame Kaiju, copy 1 of 2- Dogoran, the Mad Flame Kaiju, copy 2 of 2
Electric Jellyfish, copy 1 of 3- Electric Jellyfish, copy 2 of 3
- Electric Jellyfish, copy 3 of 3
First Penguin, copy 1 of 2- First Penguin, copy 2 of 2
Gameciel, the Sea Turtle Kaiju, copy 1 of 2. Costs 3 of the Genesys budget per copy- Gameciel, the Sea Turtle Kaiju, copy 2 of 2. Costs 3 of the Genesys budget per copy
General Raiho of the Ice Barrier
Guardragon Justicia
Icejade Ran Aegirine
Kashtira Ogre, copy 1 of 3- Kashtira Ogre, copy 2 of 3
- Kashtira Ogre, copy 3 of 3
Mulcharmy Purulia, copy 1 of 3. Costs 9 of the Genesys budget per copy- Mulcharmy Purulia, copy 2 of 3. Costs 9 of the Genesys budget per copy
- Mulcharmy Purulia, copy 3 of 3. Costs 9 of the Genesys budget per copy
Ocean Dragon Lord - Kairyu-Shin, copy 1 of 3- Ocean Dragon Lord - Kairyu-Shin, copy 2 of 3
- Ocean Dragon Lord - Kairyu-Shin, copy 3 of 3
A Legendary Ocean, copy 1 of 3- A Legendary Ocean, copy 2 of 3
- A Legendary Ocean, copy 3 of 3
Fish Sonar, copy 1 of 3- Fish Sonar, copy 2 of 3
- Fish Sonar, copy 3 of 3
Fury of Kairyu-Shin
Interrupted Kaiju Slumber, copy 1 of 3- Interrupted Kaiju Slumber, copy 2 of 3
- Interrupted Kaiju Slumber, copy 3 of 3
Pot of Extravagance, copy 1 of 2. Costs 10 of the Genesys budget per copy- Pot of Extravagance, copy 2 of 2. Costs 10 of the Genesys budget per copy
Sea Stealth II
Super Polymerization, copy 1 of 3. Costs 13 of the Genesys budget per copy- Super Polymerization, copy 2 of 3. Costs 13 of the Genesys budget per copy
- Super Polymerization, copy 3 of 3. Costs 13 of the Genesys budget per copy
Ice Barrier
Sea Stealth Attack
Torrential Tribute
Extra Deck
15 cards
Brionac, Dragon of the Ice Barrier
Crystron Ametrix
Garura, Wings of Resonant Life. Costs 4 of the Genesys budget per copy
Icejade Gymir Aegirine
Mudragon of the Swamp, copy 1 of 2- Mudragon of the Swamp, copy 2 of 2
Number 101: Silent Honor ARK
Number 4: Stealth Kragen
Number C101: Silent Honor DARK
Predaplant Dragostapelia
Sea Monster of Theseus
Secreterion Dragon
Starving Venom Fusion Dragon
Stealth Kragen Spawn
Toxic Boxfish
Side Deck
15 cards · not counted toward completion
Cartorhyn the Hidden Gem of the Seafront, copy 1 of 2- Cartorhyn the Hidden Gem of the Seafront, copy 2 of 2
- First Penguin
Rank-Up-Magic - The Seventh One, copy 1 of 3. Costs 1 of the Genesys budget per copy- Rank-Up-Magic - The Seventh One, copy 2 of 3. Costs 1 of the Genesys budget per copy
- Rank-Up-Magic - The Seventh One, copy 3 of 3. Costs 1 of the Genesys budget per copy
Twin Twisters, copy 1 of 3- Twin Twisters, copy 2 of 3
- Twin Twisters, copy 3 of 3
Crackdown, copy 1 of 2- Crackdown, copy 2 of 2
Dark Bribe
Grave of the Super Ancient Organism, copy 1 of 2- Grave of the Super Ancient Organism, copy 2 of 2
- Sea Stealth Attack