Created by: YGO Mod (20517634)

Created On: 03/30/2026

Main: 42 Extra: 15

1 cardCitadel Whale 1 cardCitadel Whale
Citadel Whale
WATER 7
Citadel Whale
  • ATK:

  • 2350

  • DEF:

  • 2150


If this card is in your hand or GY: You can Tribute 2 WATER monsters; Special Summon this card. You can only use this effect of "Citadel Whale" once per turn. If this card is Special Summoned: You can Set 1 "Sea Stealth Attack" directly from your Deck. Once per turn, when your opponent activates a card or effect that targets 1 WATER monster you control (and no other cards) (Quick Effect): You can negate the activation, and if you do, destroy that card.


2 cardDoom Kraken 2 cardDoom Kraken
Doom Kraken
WATER 4
Doom Kraken
  • ATK:

  • 1400

  • DEF:

  • 1600


If "Umi" is on the field (Quick Effect): You can target 1 WATER monster you control, except "Doom Kraken", and 1 monster your opponent controls; Special Summon this card from your hand, and if you do, return that monster you control to the hand, and if you do that, destroy that opponent's monster. When an opponent's monster declares an attack: You can return this card to the hand, and if you do, negate that attack. You can only use each effect of "Doom Kraken" once per turn.


2 cardElectric Jellyfish 2 cardElectric Jellyfish
Electric Jellyfish
WATER 4
Electric Jellyfish
  • ATK:

  • 1400

  • DEF:

  • 1700


You can send 1 "Umi" from your hand, Deck, or face-up field to the GY; Special Summon 1 WATER monster from your hand. When your opponent activates a monster effect, or Spell Card or effect, while "Umi" is on the field (Quick Effect): You can negate that effect, then, you can make this card gain 600 ATK/DEF. You can only use each effect of "Electric Jellyfish" once per turn.


1 cardMega Fortress Whale 1 cardMega Fortress Whale
Mega Fortress Whale
WATER 7
Mega Fortress Whale
  • ATK:

  • 2550

  • DEF:

  • 2350


If "Umi" is on the field: You can activate this effect; your WATER monsters can attack directly this turn. During your opponent's Battle Phase (Quick Effect): You can target 1 face-up monster your opponent controls; destroy it. If this card on the field is destroyed by battle or card effect: You can either add to your hand or Special Summon 1 WATER Warrior monster from your Deck or GY. You can only use each effect of "Mega Fortress Whale" once per turn.


2 cardOcean Dragon Lord - Kairyu-Shin 2 cardOcean Dragon Lord - Kairyu-Shin
Ocean Dragon Lord - Kairyu-Shin
WATER 5
Ocean Dragon Lord - Kairyu-Shin
  • ATK:

  • 2000

  • DEF:

  • 1700


While "Umi" is on the field, each player can only control 1 face-up non-WATER monster. (If a player controls 2 or more, they must send some to the GY so they only control 1.) During your Main Phase: You can add from your Deck to your hand 1 "Umi", 1 "Kairyu-Shin" Spell/Trap, or 1 "Sea Stealth" Spell/Trap. You can only use this effect of "Ocean Dragon Lord - Kairyu-Shin" once per turn.


1 cardThe Legendary Fisherman 1 cardThe Legendary Fisherman
The Legendary Fisherman
WATER 5
The Legendary Fisherman
  • ATK:

  • 1850

  • DEF:

  • 1600


While "Umi" is on the field, this card is unaffected by Spell effects and cannot be targeted for attacks, but does not prevent your opponent from attacking you directly.


1 cardThe Legendary Fisherman II 1 cardThe Legendary Fisherman II
The Legendary Fisherman II
WATER 5
The Legendary Fisherman II
  • ATK:

  • 2200

  • DEF:

  • 1800


This card's name becomes "The Legendary Fisherman" while on the field or in the GY. While "Umi" is on the field, this card is unaffected by other monsters' effects. If this face-up card is destroyed by battle, or leaves the field because of an opponent's card effect while its owner controls it: You can add 1 Level 7 WATER monster from your Deck to your hand.


1 cardThe Legendary Fisherman III 1 cardThe Legendary Fisherman III
The Legendary Fisherman III
WATER 7
The Legendary Fisherman III
  • ATK:

  • 2500

  • DEF:

  • 2000


Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by Tributing 1 "The Legendary Fisherman". When this card is Special Summoned: You can banish all monsters your opponent controls, also this card cannot attack this turn. Cannot be destroyed by battle or card effects, also unaffected by Spell/Trap effects. Once per turn: You can return as many of your opponent's banished cards as possible to their GY, and if you do, the first battle or effect damage your opponent takes this turn becomes doubled.


3 cardWarrior of Atlantis 3 cardWarrior of Atlantis
Warrior of Atlantis
WATER 4
Warrior of Atlantis
  • ATK:

  • 1900

  • DEF:

  • 1200


You can discard this card to the Graveyard; add 1 "A Legendary Ocean" from your Deck to your hand.


2 cardGiga Gagagigo 2 cardGiga Gagagigo
Giga Gagagigo
WATER 5
Giga Gagagigo
  • ATK:

  • 2450

  • DEF:

  • 1500


In order to fight tremendous evil, he gained formidable power through body reconstruction, but lost his heart and his redemption.


2 cardKairyu-Shin 2 cardKairyu-Shin
Kairyu-Shin
WATER 5
Kairyu-Shin
  • ATK:

  • 1800

  • DEF:

  • 1500


A sea dragon known as the King of the Ocean, it attacks its enemies with huge tidal waves.


3 cardA Legendary Ocean 3 cardA Legendary Ocean
A Legendary Ocean
Spell Field
A Legendary Ocean

    (This card's name is always treated as "Umi".) All WATER monsters on the field gain 200 ATK/DEF. Reduce the Level of all WATER monsters in both players' hands and on the field by 1.


    1 cardCalled by the Grave
    1 cardCalled by the Grave
    Called by the Grave
    Spell Quick
    Called by the Grave

      Target 1 monster in your opponent's GY; banish it, and if you do, until the end of the next turn, its effects are negated, as well as the activated effects and effects on the field of monsters with the same original name.




      Tag(s):

      3 cardFish Sonar 3 cardFish Sonar
      Fish Sonar
      Spell Normal
      Fish Sonar

        Add 1 Level 7 or lower monster from your Deck to your hand, that mentions "Umi", or is a WATER Normal Monster, then if "Umi" is on the field, you can Special Summon 1 WATER Normal Monster from your Deck. You can only activate 1 "Fish Sonar" per turn.


        2 cardFury of Kairyu-Shin 2 cardFury of Kairyu-Shin
        Fury of Kairyu-Shin
        Spell Normal
        Fury of Kairyu-Shin

          Add 1 "Torrential Tribute" from your Deck to your hand. If a WATER monster(s) you control would be destroyed by card effect, you can banish this card from your GY instead. You can only use each effect of "Fury of Kairyu-Shin" once per turn.


          1 cardPot of Prosperity
          1 cardPot of Prosperity
          Pot of Prosperity
          Spell Normal
          Pot of Prosperity

            Banish 3 or 6 cards of your choice from your Extra Deck, face-down; for the rest of this turn after this card resolves, any damage your opponent takes is halved, also excavate cards from the top of your Deck equal to the number of cards banished, add 1 excavated card to your hand, place the rest on the bottom of your Deck in any order. You can only activate 1 "Pot of Prosperity" per turn. You cannot draw cards by card effects the turn you activate this card.




            Tag(s):

            3 cardSea Stealth II 3 cardSea Stealth II
            Sea Stealth II
            Spell Continuous
            Sea Stealth II

              This card's name becomes "Umi" while on the field or in the GY. Your opponent cannot target WATER monsters you control with non-WATER monster effects. At the start of the Battle Phase: You can Special Summon from your hand or GY, 1 monster that mentions "Umi", or 1 WATER Normal Monster, in Defense Position, but destroy it at the end of the Battle Phase. You can only use this effect of "Sea Stealth II" once per turn.


              1 cardGozen Match
              1 cardGozen Match
              Gozen Match
              Trap Continuous
              Gozen Match

                Each player can only control 1 Attribute of monster. Send all other face-up monsters they control to the GY.


                3 cardInfinite Impermanence 3 cardInfinite Impermanence
                Infinite Impermanence
                Trap Normal
                Infinite Impermanence

                  Target 1 face-up monster your opponent controls; negate its effects (until the end of this turn), then, if this card was Set before activation and is on the field at resolution, for the rest of this turn all other Spell/Trap effects in this column are negated. If you control no cards, you can activate this card from your hand.


                  1 cardKairyu-Shin's Dark Reef 1 cardKairyu-Shin's Dark Reef
                  Kairyu-Shin's Dark Reef
                  Trap Normal
                  Kairyu-Shin's Dark Reef

                    Send 1 face-up "Umi" you control to the GY; Special Summon up to 2 monsters with different names from your hand and/or Deck, that mention "Umi" or are WATER Normal Monsters, in Defense Position, then if your opponent controls a monster, you can Special Summon any number of Level 6 or lower WATER Normal Monsters from your hand and/or Deck. Until the end of your next turn after this card resolves, you cannot Special Summon monsters, except WATER monsters. You can only activate 1 "Kairyu-Shin's Dark Reef" per turn.


                    2 cardSea Stealth Attack 2 cardSea Stealth Attack
                    Sea Stealth Attack
                    Trap Continuous
                    Sea Stealth Attack

                      When this card is activated: You can activate 1 "Umi" from your hand or GY. While "Umi" is on the field, this face-up card gains these effects. ● Once per turn: You can banish 1 WATER monster you control until the End Phase; this turn, face-up Spells/Traps you control cannot be destroyed by your opponent's card effects (even if this card leaves the field). ● At the start of the Damage Step, if your WATER monster whose original Level is 5 or higher battles an opponent's monster: Destroy that opponent's monster.


                      2 cardTorrential Reborn 2 cardTorrential Reborn
                      Torrential Reborn
                      Trap Normal
                      Torrential Reborn

                        When a face-up WATER monster you control is destroyed by battle or by a card effect and sent to the Graveyard: Special Summon the monsters destroyed and sent from the field to your Graveyard at that time, then inflict 500 damage to your opponent for each of those Special Summoned monsters. You can only activate 1 "Torrential Reborn" per turn.


                        2 cardTorrential Tribute
                        2 cardTorrential Tribute
                        Torrential Tribute
                        Trap Normal
                        Torrential Tribute

                          When a monster(s) is Summoned: Destroy all monsters on the field.


                          1 cardAccesscode Talker 1 cardAccesscode Talker
                          Accesscode Talker
                          DARK
                          Accesscode Talker
                          • ATK:

                          • 2300

                          • LINK-4

                          Link Arrow:

                          Top

                          Left

                          Right

                          Bottom


                          2+ Effect Monsters Your opponent cannot activate cards or effects in response to this card's effect activations. If this card is Link Summoned: You can target 1 Link Monster that was used as material for its Link Summon; this card gains ATK equal to that monster's Link Rating x 1000. You can banish 1 Link Monster from your field or GY; destroy 1 card your opponent controls, also for the rest of this turn, you cannot banish monsters with that same Attribute to activate this effect of "Accesscode Talker".




                          Tag(s):

                          1 cardBarricadeborg Blocker 1 cardBarricadeborg Blocker
                          Barricadeborg Blocker
                          DARK
                          Barricadeborg Blocker
                          • ATK:

                          • 1000

                          • LINK-2

                          Link Arrow:

                          Left

                          Bottom


                          2 monsters with different names If this card is Link Summoned: You can discard 1 card; during the End Phase of this turn, add 1 Continuous or Field Spell from your GY to your hand. You can only use this effect of "Barricadeborg Blocker" once per turn. Face-up Spells you control cannot be destroyed by your opponent's card effects.


                          1 cardCross-Sheep 1 cardCross-Sheep
                          Cross-Sheep
                          EARTH
                          Cross-Sheep
                          • ATK:

                          • 700

                          • LINK-2

                          Link Arrow:

                          Bottom-Left

                          Bottom-Right


                          2 monsters with different names If a monster is Special Summoned to a zone this card points to: You can apply the following effects, in sequence, based on the card types of the monster(s) this card points to. ● Ritual: Draw 2 cards, then discard 2 cards. ● Fusion: Special Summon 1 Level 4 or lower monster from your GY. ● Synchro: All monsters you control gain 700 ATK. ● Xyz: All monsters your opponent controls lose 700 ATK. You can only use this effect of "Cross-Sheep" once per turn.


                          1 cardEria the Water Charmer, Gentle 1 cardEria the Water Charmer, Gentle
                          Eria the Water Charmer, Gentle
                          WATER
                          Eria the Water Charmer, Gentle
                          • ATK:

                          • 1850

                          • LINK-2

                          Link Arrow:

                          Bottom-Left

                          Bottom-Right


                          2 monsters, including a WATER monster (This card is always treated as a "Familiar-Possessed" card.) You can target 1 WATER monster in your opponent's GY; Special Summon it to your zone this card points to. If this Link Summoned card is destroyed by battle, or is destroyed by an opponent's card effect while in its owner's Monster Zone: You can add 1 WATER monster with 1500 or less DEF from your Deck to your hand. You can only use each effect of "Eria the Water Charmer, Gentle" once per turn.


                          1 cardKnightmare Cerberus 1 cardKnightmare Cerberus
                          Knightmare Cerberus
                          EARTH
                          Knightmare Cerberus
                          • ATK:

                          • 1600

                          • LINK-2

                          Link Arrow:

                          Top

                          Left


                          2 monsters with different names If this card is Link Summoned: You can discard 1 card, then target 1 Special Summoned monster in your opponent's Main Monster Zone; destroy it, then, if this card was co-linked when this effect was activated, you can draw 1 card. You can only use this effect of "Knightmare Cerberus" once per turn. Co-linked monsters you control cannot be destroyed by card effects.


                          1 cardKnightmare Phoenix 1 cardKnightmare Phoenix
                          Knightmare Phoenix
                          FIRE
                          Knightmare Phoenix
                          • ATK:

                          • 1900

                          • LINK-2

                          Link Arrow:

                          Top

                          Right


                          2 monsters with different names If this card is Link Summoned: You can discard 1 card, then target 1 Spell/Trap your opponent controls; destroy it, then, if this card was co-linked when this effect was activated, you can draw 1 card. You can only use this effect of "Knightmare Phoenix" once per turn. Co-linked monsters you control cannot be destroyed by battle.


                          1 cardKnightmare Unicorn 1 cardKnightmare Unicorn
                          Knightmare Unicorn
                          DARK
                          Knightmare Unicorn
                          • ATK:

                          • 2200

                          • LINK-3

                          Link Arrow:

                          Left

                          Right

                          Bottom


                          2+ monsters with different names If this card is Link Summoned: You can discard 1 card, then target 1 card on the field; shuffle it into the Deck, then, if this card was co-linked when this effect was activated, you can draw 1 card. You can only use this effect of "Knightmare Unicorn" once per turn. While any co-linked "Knightmare" monsters are on the field, for your normal draw in your Draw Phase, draw 1 card for each different card name among those co-linked "Knightmare" monsters, instead of drawing just 1 card.


                          2 cardMarincess Coral Anemone 2 cardMarincess Coral Anemone
                          Marincess Coral Anemone
                          WATER
                          Marincess Coral Anemone
                          • ATK:

                          • 2000

                          • LINK-2

                          Link Arrow:

                          Left

                          Bottom


                          2 WATER monsters You can target 1 WATER monster with 1500 or less ATK in your GY; Special Summon it to your zone this card points to, also you cannot Special Summon monsters for the rest of this turn, except WATER monsters. If this card is sent from the field to the GY: You can target 1 "Marincess" card in your GY, except "Marincess Coral Anemone"; add it to your hand. You can only use each effect of "Marincess Coral Anemone" once per turn.


                          1 cardMistar Boy 1 cardMistar Boy
                          Mistar Boy
                          WATER
                          Mistar Boy
                          • ATK:

                          • 1400

                          • LINK-2

                          Link Arrow:

                          Bottom-Left

                          Bottom-Right


                          2 WATER monsters All WATER monsters on the field gain 500 ATK and DEF, also all FIRE monsters on the field lose 400 ATK and DEF. If this card is destroyed by battle or card effect: You can target 1 WATER monster in your GY; add it to your hand. You can only use this effect of "Mistar Boy" once per turn.


                          1 cardWorldsea Dragon Zealantis 1 cardWorldsea Dragon Zealantis
                          Worldsea Dragon Zealantis
                          WATER
                          Worldsea Dragon Zealantis
                          • ATK:

                          • 2500

                          • LINK-4

                          Link Arrow:

                          Top

                          Left

                          Right

                          Bottom


                          1+ Effect Monsters You can only control 1 "Worldsea Dragon Zealantis". You can only use each of the following effects of "Worldsea Dragon Zealantis" once per turn. During your Main Phase: You can banish all monsters on the field, then Special Summon as many monsters as possible that were banished by this effect, to their owners' fields, face-up, or in face-down Defense Position. During the Battle Phase (Quick Effect): You can destroy cards on the field up to the number of co-linked monsters on the field.


                          1 cardNumber 103: Ragnazero 1 cardNumber 103: Ragnazero
                          Number 103: Ragnazero
                          WATER
                          Number 103: Ragnazero
                          • ATK:

                          • 2400

                          • DEF:

                          • 1200


                          2 Level 4 monsters Once per turn, during either player's turn: You can detach 1 Xyz Material from this card, then target 1 face-up Attack Position monster your opponent controls, whose current ATK is different from its original ATK; destroy it, and if you do, draw 1 card.


                          1 cardNumber 4: Stealth Kragen 1 cardNumber 4: Stealth Kragen
                          Number 4: Stealth Kragen
                          WATER
                          Number 4: Stealth Kragen
                          • ATK:

                          • 1900

                          • DEF:

                          • 1500


                          2 Level 4 WATER monsters All face-up monsters on the field become WATER. Once per turn, during the Main Phase (Quick Effect): You can destroy 1 WATER monster your opponent controls, and if you do, inflict damage to your opponent equal to half the ATK it had on the field. If this Xyz Summoned card is destroyed: You can Special Summon "Stealth Kragen Spawn(s)" from your Extra Deck, up to the number of materials this card had, then you can attach up to 1 WATER monster from your GY to each of those Special Summoned monsters as material.


                          1 cardNumber 61: Volcasaurus 1 cardNumber 61: Volcasaurus
                          Number 61: Volcasaurus
                          FIRE
                          Number 61: Volcasaurus
                          • ATK:

                          • 2500

                          • DEF:

                          • 1000


                          2 Level 5 monsters Once per turn: You can detach 1 Xyz Material from this card, then target 1 face-up monster your opponent controls; destroy that opponent's monster, and if you do, inflict damage to your opponent equal to the destroyed monster's original ATK. This card cannot attack your opponent directly during the turn you activate this effect.


                          1 cardTornado Dragon 1 cardTornado Dragon
                          Tornado Dragon
                          WIND
                          Tornado Dragon
                          • ATK:

                          • 2100

                          • DEF:

                          • 2000


                          2 Level 4 monsters Once per turn (Quick Effect): You can detach 1 material from this card, then target 1 Spell/Trap on the field; destroy it.




                          More OCG Info

                          Umi Breakdown

                           

                           

                           

                           

                           

                           

                           

                           

                           

                           

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