WATER 4

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.

WATER 4

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.

WATER 5

You can send this card from your hand to the GY; Special Summon 1 WATER monster from your hand. If a face-up WATER monster(s) you control is destroyed by battle or card effect, while this card is in your GY: You can banish this card; Special Summon 1 "Icejade" monster from your hand or GY, except "Icejade Tremora". You can only use each effect of "Icejade Tremora" once per turn.

WATER 4

As long as this card remains face-up on the field, the field is treated as "Umi" (however there is no increasing or decreasing of ATK/DEF due to "Umi"'s effect). If there is an active Field Spell Card on the field, this effect is not applied.

WATER 5

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.

WATER 4

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

WATER 5

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

WATER

2 Level 4 monsters While this card has a material attached that was originally WATER, all WATER monsters you control gain 500 ATK. Once per turn (Quick Effect): You can detach 1 material from this card; your opponent cannot activate any card effects in their GY this turn.

WATER

3 Level 4 monsters Once per turn, when this attacking card destroys an opponent's monster by battle and sends it to the Graveyard: You can detach 1 Xyz Material from this card; Special Summon the destroyed monster to your opponent's side of the field in face-up Attack Position, also it loses 1000 ATK, and if you do Summon this way, this card can make a second attack during this Battle Phase.

WATER

2 Level 4 WATER monsters When any player's monster declares an attack: You can detach 1 Xyz Material from this card; all monsters your opponent currently controls lose 1000 ATK until the end of this turn. When this card is destroyed by battle or card effect and sent to the Graveyard: You can target 1 other monster in your Graveyard; Special Summon it. You can only use each effect of "Number 37: Hope Woven Dragon Spider Shark" once per turn.

WATER

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.

WATER

4 Level 5 monsters You can also Xyz Summon this card by discarding 1 Spell, and using a Rank 4 "Shark Drake" Xyz Monster you control as material. (Transfer its materials to this card.) Once per turn (Quick Effect): You can detach 1 material from this card, then target 1 Effect Monster your opponent controls; negate its effects, and if you do, its ATK/DEF become 0. This card can make a second attack during each Battle Phase, also if it attacks a Defense Position monster, inflict piercing battle damage to your opponent.

WATER

2 Level 3 monsters Cannot attack unless it has Xyz Material. Once per turn: You can detach 1 Xyz Material from this card, then target 1 Spell/Trap Card on the field; destroy it. This effect can be activated during either player's turn, if this card has "Super Quantum Blue Layer" as Xyz Material. Once per turn: You can attach 1 "Super Quantum" monster from your hand or field to this card as an Xyz Material.

WATER

2 Level 5 monsters You can target 1 monster your opponent controls; detach 1 material from an Xyz Monster you control, and if you do, destroy that monster. This is a Quick Effect if you control another WATER Xyz Monster. If another WATER Xyz Monster(s) you control is destroyed by battle or card effect while you control this monster: You can take 1 Spell from your Deck and place it on top of your Deck. You can only use each effect of "Valiant Shark Lancer" once per turn.

WATER

2 Level 3 monsters Cannot attack unless it has material. You can detach 2 materials from this card; draw 1 card. You can only use this effect of "Xyz Armor Torpedo" once per turn. Apply these effects while this card is equipped to a monster. ● If the equipped monster battles, until the end of the Damage Step, your opponent cannot activate cards or effects, also negate the effects of all face-up monsters they control. ● If the equipped monster is an Xyz Monster, your opponent cannot target it with card effects.

Spell Field

(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.

Spell Normal

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.

Spell Normal

Send 1 Spell/Trap from your Deck to the GY. You can only activate 1 "Foolish Burial Goods" per turn.

Spell Normal

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.

Spell Normal

Tribute 1 monster; excavate cards from the top of your Deck until you excavate a monster that can be Normal Summoned/Set. Special Summon it, also send the other excavated cards to the GY.

Spell Normal

At the start of your Main Phase 1: Banish 3 or 6 random face-down cards from your Extra Deck, face-down; draw 1 card for every 3 cards banished. For the rest of this turn after this card resolves, you cannot draw any cards by card effects.

Spell Normal

Your opponent declares a monster Level from 1 to 12. Excavate cards from the top of your Deck until you excavate a monster that can be Normal Summoned/Set, then, if that monster is the same Level as the one declared by your opponent, send all excavated cards to the GY. If not, Special Summon the excavated monster, also send the remaining cards to the GY.

Spell Continuous

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.

Spell Normal

If your opponent has activated a monster effect during this turn: Set 1 Normal Spell/Trap directly from your Deck, except "Triple Tactics Thrust", or if your opponent controls a monster, you can add it to your hand instead. That Set card cannot be activated this turn. You can only activate 1 "Triple Tactics Thrust" per turn.

Trap Normal

When an attack is declared involving your opponent's monster: Change that opponent's monster's ATK to 0, negate its effects, also it cannot change its battle position. You can banish this card from your GY; send 1 Level 5 or higher WATER monster from your Deck to the GY, then, you can add 1 WATER monster from your GY to your hand, also, until the end of your next turn after this effect resolves, you cannot Special Summon monsters, except WATER monsters. You can only use this effect of "Ice Barrier" once per turn.

Trap Continuous

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.

Trap Normal

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

WATER 5

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.

WATER

2 Level 4 monsters While this card has a material attached that was originally WATER, all WATER monsters you control gain 500 ATK. Once per turn (Quick Effect): You can detach 1 material from this card; your opponent cannot activate any card effects in their GY this turn.

WATER

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.

WATER

4 Level 5 monsters You can also Xyz Summon this card by discarding 1 Spell, and using a Rank 4 "Shark Drake" Xyz Monster you control as material. (Transfer its materials to this card.) Once per turn (Quick Effect): You can detach 1 material from this card, then target 1 Effect Monster your opponent controls; negate its effects, and if you do, its ATK/DEF become 0. This card can make a second attack during each Battle Phase, also if it attacks a Defense Position monster, inflict piercing battle damage to your opponent.

WATER

2 Level 5 monsters You can target 1 monster your opponent controls; detach 1 material from an Xyz Monster you control, and if you do, destroy that monster. This is a Quick Effect if you control another WATER Xyz Monster. If another WATER Xyz Monster(s) you control is destroyed by battle or card effect while you control this monster: You can take 1 Spell from your Deck and place it on top of your Deck. You can only use each effect of "Valiant Shark Lancer" once per turn.

Spell Normal

If your opponent has activated a monster effect during this turn: Set 1 Normal Spell/Trap directly from your Deck, except "Triple Tactics Thrust", or if your opponent controls a monster, you can add it to your hand instead. That Set card cannot be activated this turn. You can only activate 1 "Triple Tactics Thrust" per turn.