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 8

You can Special Summon this card (from your hand) to your opponent's field in Attack Position, by Tributing 1 monster they control. If your opponent controls a "Kaiju" monster, you can Special Summon this card (from your hand) in Attack Position. You can only control 1 "Kaiju" monster. When your opponent activates a card or effect, except "Gameciel, the Sea Turtle Kaiju" (Quick Effect): You can remove 2 Kaiju Counters from anywhere on the field; negate the activation, and if you do, banish that card.

WATER 6

When an effect resolves that was activated by an Effect Monster that was on your opponent's side of the field, they must discard 1 card or the effect is negated (their choice).

WATER 7

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.

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 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.

WATER

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.

WATER

2+ WATER monsters Once per turn, during each Standby Phase: You can banish 1 WATER monster from your GY or face-up field; draw 1 card. Each time a monster(s) is banished face-up: This card gains 600 ATK for each, until the end of this turn. You can send 1 WATER monster from your hand to the GY; Special Summon 1 of your banished "Marincess" monsters. You can only use this effect of "Marincess Great Bubble Reef" once per turn.

WATER

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.

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 6 monsters You can also Xyz Summon this card by using "N.As.H. Knight" you control. (Transfer its materials to this card.) Cannot be destroyed by card effects. You can detach 1 material from this card; Special Summon from your Extra Deck, 1 "Number" Xyz Monster that has a number between "101" and "107" in its name, using this face-up card you control as material, but destroy it during your opponent's next End Phase. (This is treated as an Xyz Summon. Transfer its materials to the Summoned monster.) You can only use this effect of "CXyz N.As.Ch. Knight" once per turn.

LIGHT

2 Level 12 monsters Once per turn, if an Xyz Monster battled this turn, you can also Xyz Summon "Divine Arsenal AA-ZEUS - Sky Thunder" by using 1 Xyz Monster you control as material. (Transfer its materials to this card.) (Quick Effect): You can detach 2 materials from this card; send all other cards from the field to the GY. Once per turn, if another card(s) you control is destroyed by battle or an opponent's card effect: You can attach 1 card from your hand, Deck, or Extra Deck to this card as material.

WATER

2 Level 5 monsters Cannot be destroyed by battle while a "Number" monster is on the field. During the Main Phase (Quick Effect): You can detach 2 materials from this card; attach 1 "Number" Xyz Monster from your Extra Deck to this card as material that has a number between "101" and "107" in its name, then you can attach 1 other face-up monster on the field to this card as material. You can only use this effect of "N.As.H. Knight" once per turn.

WATER

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.

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.

EARTH

2 Level 4 monsters Once per turn, during your Standby Phase, detach 1 material from this card. If you cannot, destroy it. This Attack Position card cannot be destroyed by your opponent's card effects. Your opponent cannot target this Attack Position card with card effects. While this card is in face-up Defense Position, change all face-up monsters on the field to Defense Position, also negate the activated effects of monsters that were in Defense Position when that effect was activated.

WATER

3 Level 5 monsters Once per turn: You can target 1 Special Summoned monster your opponent controls; attach it to this card as a face-up Xyz Material. When this card is destroyed and sent to the Graveyard while it has Xyz Material: You can Special Summon this card from your Graveyard, then gain LP equal to the original ATK of this card. "Number 101: Silent Honor ARK" must be in your Graveyard to activate and to resolve this effect. If this card is Special Summoned this way, it cannot attack for the rest of this turn.

WATER

2 Level 4 WATER monsters Once per turn, during the Main Phase (Quick Effect): You can destroy 1 WATER monster your opponent controls. If this card, Special Summoned by the effect of a "Number" Xyz Monster, is destroyed: You can Special Summon other "Stealth Kragen" monsters from your GY, 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.

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

Destroy all Spell and Trap Cards your opponent controls.

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

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.

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

Reveal 1 monster in your hand, choose 1 monster from your Deck that has exactly 1 of the same Type, Attribute, Level, ATK or DEF, and banish the revealed monster from your hand face-down. Then add, from the Deck to your hand, 1 monster that has exactly 1 of the same Type, Attribute, Level, ATK or DEF as the monster chosen from your Deck, and banish the card chosen from the Deck face-down. You can only activate 1 "Small World" per turn.

Spell Normal

Add 1 Field Spell from your Deck to your hand.

Trap Normal

At the end of the Battle Phase, if your opponent controls more cards than you do: You can make your opponent banish cards from their field face-down so they control the same number of cards as you do. If you control no cards, you can activate this card from your hand.

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 Normal

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.

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.

WATER 7

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.

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

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.

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 6 monsters You can also Xyz Summon this card by using "N.As.H. Knight" you control. (Transfer its materials to this card.) Cannot be destroyed by card effects. You can detach 1 material from this card; Special Summon from your Extra Deck, 1 "Number" Xyz Monster that has a number between "101" and "107" in its name, using this face-up card you control as material, but destroy it during your opponent's next End Phase. (This is treated as an Xyz Summon. Transfer its materials to the Summoned monster.) You can only use this effect of "CXyz N.As.Ch. Knight" once per turn.

LIGHT

2 Level 12 monsters Once per turn, if an Xyz Monster battled this turn, you can also Xyz Summon "Divine Arsenal AA-ZEUS - Sky Thunder" by using 1 Xyz Monster you control as material. (Transfer its materials to this card.) (Quick Effect): You can detach 2 materials from this card; send all other cards from the field to the GY. Once per turn, if another card(s) you control is destroyed by battle or an opponent's card effect: You can attach 1 card from your hand, Deck, or Extra Deck to this card as material.

WATER

2 Level 5 monsters Cannot be destroyed by battle while a "Number" monster is on the field. During the Main Phase (Quick Effect): You can detach 2 materials from this card; attach 1 "Number" Xyz Monster from your Extra Deck to this card as material that has a number between "101" and "107" in its name, then you can attach 1 other face-up monster on the field to this card as material. You can only use this effect of "N.As.H. Knight" 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

3 Level 5 monsters Once per turn: You can target 1 Special Summoned monster your opponent controls; attach it to this card as a face-up Xyz Material. When this card is destroyed and sent to the Graveyard while it has Xyz Material: You can Special Summon this card from your Graveyard, then gain LP equal to the original ATK of this card. "Number 101: Silent Honor ARK" must be in your Graveyard to activate and to resolve this effect. If this card is Special Summoned this way, it cannot attack for the rest of this turn.

Spell Normal

Destroy all Spell and Trap Cards your opponent controls.

Spell Normal

Add 1 Field Spell from your Deck to your hand.