WATER 4

All Level 3 or lower Sea Serpent-Type monsters you control can attack your opponent directly. When this card is sent to the Graveyard to activate a WATER monster's effect: Add 1 Sea Serpent-Type monster from your Deck to your hand, except "Atlantean Dragoons".

WATER 2

During your Main Phase, you can Normal Summon 1 Level 4 or lower Sea Serpent-Type monster in addition to your Normal Summon/Set. (You can only gain this effect once per turn.) When this card is sent to the Graveyard to activate a WATER monster's effect: Target 1 face-up card your opponent controls; destroy that target.

WATER 3

When this card inflicts battle damage to your opponent: You can Special Summon 1 Level 4 or lower "Atlantean" Sea Serpent-Type monster from your Deck, except "Atlantean Marksman". When this card is sent to the Graveyard to activate a WATER monster's effect: Target 1 Set card your opponent controls; destroy that target.

WATER 3

If this card is Special Summoned: You can banish cards from the top of your opponent's Deck equal to the number of WATER monsters you control. You can target 1 Level 4 or lower WATER monster you control; increase its Level by its original Level. You can banish this card from your GY; 1 WATER monster on the field gains 100 ATK for each currently banished monster, until the end of this turn. You can only use each effect of "Guitar Gurnards Duonigis" once per turn.

WATER 3

If this card is discarded to the Graveyard: You can target 1 "Mermail" monster in your Graveyard, except "Mermail Abyssgunde"; Special Summon that target. You can only use the effect of "Mermail Abyssgunde" once per turn.

WATER 7

You can discard 2 other WATER monsters to the GY; Special Summon this card from your hand. When Summoned this way: You can add 1 "Abyss-" Spell/Trap from your Deck to your hand. You can Tribute 1 other Attack Position WATER monster; this card can make a second attack during each Battle Phase this turn.

WATER 4

When this card is Normal or Special Summoned: You can discard 1 WATER monster to the Graveyard; add 1 Level 3 WATER monster from your Deck to your hand. You can only use this effect of "Mermail Abysspike" once per turn.

WATER 7

You can discard 1 other WATER monster to the GY; Special Summon this card from your hand. When Summoned this way: You can add 1 Level 4 or lower "Mermail" monster from your Deck to your hand. You can only use this effect of "Mermail Abyssteus" once per turn.

WATER 8

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by having exactly 5 WATER monsters in your GY. If this card is Special Summoned: Discard 2 random cards from your opponent's hand (or their entire hand, if less than 2). You can only use this effect of "Moulinglacia the Elemental Lord" once per turn. If this face-up card leaves the field, skip the Battle Phase of your next turn.

WATER 1

You can send 1 "Atlantean" monster from your Deck to the Graveyard, except "Neptabyss, the Atlantean Prince"; add 1 "Atlantean" card from your Deck to your hand, except "Neptabyss, the Atlantean Prince". If this card is sent to the Graveyard to activate a WATER monster's effect: Target 1 "Atlantean" monster in your Graveyard, except "Neptabyss, the Atlantean Prince"; Special Summon it. You can only use each effect of "Neptabyss, the Atlantean Prince" once per turn.

WATER 4

If you control a WATER monster, you can Special Summon this card (from your hand), but you cannot Special Summon monsters from your hand for the rest of this turn.

WATER 4

If you control a WATER monster: You can Special Summon this card from your hand. You cannot Special Summon monsters, except WATER monsters, the turn you activate this effect. You can banish this card from your GY, then target up to 3 WATER monsters in your GY; shuffle them into the Deck. You can only use each effect of "Silent Sea Nettle" once per turn.

WATER 4

"Fusionist" + "Enchanting Mermaid"

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 8

1 Tuner + 1+ non-Tuner monsters During your Main Phase: You can excavate the top 5 cards of your Deck, and if you do, you can return cards your opponent controls to the hand, up to the number of excavated Rock monsters, also place the excavated cards on the bottom of your Deck in any order. When your opponent activates a Spell/Trap Card or effect, while a WATER monster is in your GY (Quick Effect): You can negate the activation, and if you do, destroy it. You can only use each effect of "Adamancipator Risen - Dragite" once per turn.

WATER 10

1 WATER Tuner + 1+ non-Tuner monsters (Quick Effect): You can activate this effect; face-up monsters you control cannot be destroyed, or banished, by your opponent's card effects this turn. Then, if you activated this effect in response to your opponent's card or effect activation, and your opponent has a card(s) with that name on their field and/or GY, you can banish those cards. If a card(s) is banished by your opponent's card effect, while this card is in your GY (except during the Damage Step): You can Special Summon this card. You can only use each effect of "Icejade Gymir Aegirine" once per turn.

WATER 9

1 Tuner + 1+ non-Tuner monsters Gains 500 ATK/DEF for each card in your hand. You can only use each of the following effects of "Ravenous Crocodragon Archethys" once per turn. ● If this card is Synchro Summoned: You can draw cards equal to the number of non-Tuners used for its Synchro Summon. ● (Quick Effect): You can discard 2 cards, then target 1 card on the field; destroy it.

WATER 10

1 Tuner + 1+ non-Tuner monsters For each banished card, this card gains 100 ATK/DEF and monsters your opponent controls lose 100 ATK/DEF. If this card would be destroyed by card effect, you can banish 1 card from your GY instead. If a card(s) is banished (except during the Damage Step): You can banish 1 card each from both your opponent's field and GY. You can only use this effect of "Swordsoul Supreme Sovereign - Chengying" once per turn.

WATER 9

1 Tuner + 2+ non-Tuner monsters When this card is Synchro Summoned: You can banish up to 1 card each from your opponent's hand, field, and GY. (The card in the hand is chosen at random.)

WATER 11

1 Tuner + 2+ non-Tuner monsters When this card is Synchro Summoned: You can banish up to 3 cards your opponent controls. If this Synchro Summoned card in its owner's control is destroyed by an opponent's card: You can Special Summon 1 "Trishula, Dragon of the Ice Barrier" from your Extra Deck or GY, its ATK becomes 3300, then halve the ATK of any face-up monsters your opponent currently controls, also negate their effects. You can only use this effect of "Trishula, Zero Dragon of the Ice Barrier" once per turn.

WATER 8

1 WATER Tuner + 1+ non-Tuner WATER monsters When this card is Synchro Summoned: You can destroy all your opponent's Attack Position monsters. This card can make up to 2 attacks on monsters during each Battle Phase. If this card attacks a Defense Position monster, inflict piercing battle damage. If this card you control is destroyed by an opponent's card (by battle or card effect) and sent to your GY: You can banish 1 other WATER monster from your GY; Special Summon this card, and if you do, it is treated as a Tuner.

WATER 3

1 Tuner + 1+ non-Tuner monsters If this Synchro Summoned monster would be used as a Synchro Material, 1 monster in your hand can be used as 1 of the other materials. Unaffected by other monsters' effects.

WATER 2

When this card is Normal Summoned: You can Special Summon 1 Level 3 or lower Sea Serpent monster from your Deck.

WATER 5

If this card is added from the Deck to your hand: You can reveal this card; Special Summon it. If this card is added from your GY to your hand by a card effect: You can reveal this card; Special Summon this card, but banish it when it leaves the field. You can only use 1 "Lappis Dragon" effect per turn, and only once that turn.

WATER

2 Level 4 WATER monsters Once per turn: You can detach 1 material from this card; Special Summon 1 Rank 3 or lower WATER Xyz Monster from your Extra Deck. This card cannot attack for the rest of 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

2 Level 2 Aqua-Type monsters Once per turn, during the Standby Phase: You can detach 1 Xyz Material from this card; Special Summon 1 "Frog" monster from your Deck. Once per turn, during either player's turn, when your opponent activates a Spell/Trap Card, or monster effect: You can send 1 Aqua-Type monster from your hand or face-up from your field to the Graveyard; negate the activation, and if you do, destroy that card, then you can Set it to your field. If this card is sent to the Graveyard: You can target 1 WATER monster in your Graveyard; add it to your hand.

Spell Equip

Equip only to a "Mermail" monster. It gains 800 ATK. When a Spell effect that was activated on your opponent's side of the field resolves, negate that effect, then send this card to the Graveyard.

Spell Quick

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.

Spell Normal

Banish 1 WATER monster from your GY; add 1 Level 4 or lower Sea Serpent monster from your Deck to your hand. You can only activate 1 "Deep Sea Aria" per turn.

Spell Quick

Target 1 face-up monster on the field; until the end of this turn, that target gains 400 ATK, but its effects are negated.

Spell Normal

Destroy all Spell and Trap Cards your opponent controls.

Spell Normal

If you control no face-up cards: Activate 1 of these effects; ● Destroy all Attack Position monsters your opponent controls. ● Destroy all Spells and Traps your opponent controls. You can only activate 1 "Lightning Storm" per turn.

Spell Normal

Send 1 monster from your hand to the GY; Special Summon 1 Level 1 monster from your hand or Deck.

Spell Normal

Destroy all monsters your opponent controls.

Spell Normal

Pay 1000 LP; Special Summon 1 Level 6 or lower non-Effect Fusion Monster from your Extra Deck, but it cannot attack, also destroy it during the End Phase. (This is treated as a Fusion Summon.) You can only activate 1 "Ready Fusion" per turn.

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

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.