Created by: YGO Mod (20517634)
Created On: 06/13/2026
Main: 60 Extra: 15



WATER
3Abyssrhine, the Atlantean Spirit
ATK:
1600
DEF:
1600
(This card is always treated as a "Mermail" card.) You can Tribute this card from your hand and 1 "Atlantean" or "Mermail" monster from your hand or field; take 1 Level 7 Fish, Sea Serpent, or Aqua monster from your Deck and either add it to your hand or Special Summon it, also you cannot Special Summon from the Extra Deck for the rest of this turn, except WATER monsters. During your opponent's turn (Quick Effect): You can banish this card from your GY and discard 1 card to the GY; draw 1 card. You can only use each effect of "Abyssrhine, the Atlantean Spirit" once per turn.



WATER
4Atlantean Dragoons
ATK:
1800
DEF:
0
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
2Atlantean Heavy Infantry
ATK:
0
DEF:
1600
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
3Atlantean Marksman
ATK:
1400
DEF:
0
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
7Mermail Abyssleed
ATK:
2700
DEF:
1000
You can discard 3 other WATER monsters to the GY; Special Summon this card from your hand. When Summoned this way: You can target 1 "Abyss-" Spell/Trap in your GY; add that target to your hand. You can Tribute 1 other Attack Position "Mermail" monster; send 1 random card from your opponent's hand to the GY. You can only use this effect of "Mermail Abyssleed" once per turn.



WATER
7Mermail Abyssmegalo
ATK:
2400
DEF:
1900
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
7Mermail Abyssteus
ATK:
1700
DEF:
2400
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
3Mermail Shadow Squad
ATK:
0
DEF:
1900
(This card is always treated as an "Atlantean" card.) You can discard 1 card to the GY; WATER monsters you currently control become Level 7 until the end of this turn. If this card is sent to the GY to activate a WATER monster's effect: Special Summon 1 Level 4 or lower "Atlantean" or "Mermail" monster from your Deck, except "Mermail Shadow Squad", also you cannot Special Summon from the Extra Deck for the rest of this turn, except WATER monsters. You can only use each effect of "Mermail Shadow Squad" once per turn.



WATER
1Neptabyss, the Atlantean Prince
ATK:
800
DEF:
0
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
7Superancient Deepsea King Coelacanth
ATK:
2800
DEF:
2200
Once per turn: You can discard 1 card; Special Summon as many Level 4 or lower Fish-Type monsters as possible from your Deck, but they cannot declare an attack and their effects are negated. During either player's turn, when this face-up card on the field is targeted by a card effect: You can Tribute 1 other Fish-Type monster; negate the activation, and if you do, destroy that card.



FIRE
3Ash Blossom & Joyous Spring
ATK:
0
DEF:
1800
When a card or effect is activated that includes any of these effects (Quick Effect): You can discard this card; negate that effect. ● Add a card from the Deck to the hand. ● Special Summon from the Deck. ● Send a card from the Deck to the GY. You can only use this effect of "Ash Blossom & Joyous Spring" once per turn.



WATER
1Fishborg Launcher
ATK:
200
DEF:
100
If you have a monster(s) in your Graveyard other than "Fishborg Launcher", and all of them are WATER: You can Special Summon this card from your Graveyard. If you do, banish it when it leaves the field. This card cannot be used as a Synchro Material Monster, except for the Synchro Summon of a WATER monster. You can only use the effect of "Fishborg Launcher" once per turn.



Spell
EquipAbyss-sting Triaina
Special Summon 1 "Atlantean" or "Mermail" monster from your hand or GY, and if you do, equip it with this card. If the equipped monster would be destroyed by battle or card effect, you can send this card to the GY instead. You can banish this card from your GY, then target up to 3 of your Fish, Sea Serpent, and/or Aqua monsters that are banished or in your GY; shuffle them into the Deck. You can only use this effect of "Abyss-sting Triaina" once per turn. You can only activate 1 "Abyss-sting Triaina" per turn.



Spell
QuickCrossout Designator
Declare 1 card name; banish 1 of that declared card from your Main Deck, and if you do, negate its effects, as well as the activated effects and effects on the field of cards with the same original name, until the end of this turn. You can only activate 1 "Crossout Designator" per turn.



Spell
NormalFirestorms Over Atlantis
Activate 1 of these effects; ● Discard 1 WATER monster to the GY, then target 1 face-up monster your opponent controls; destroy it. ● Destroy 1 FIRE monster in your hand, then you can draw 1 card. If only your opponent controls a monster: You can banish this card from your GY, then target 1 Level 7 or 8 WATER or FIRE monster in your GY; Special Summon it. You can only use each effect of "Firestorms Over Atlantis" once per turn.



Spell
NormalTriple Tactics Talent
If your opponent has activated a monster effect during your Main Phase this turn: Activate 1 of these effects; ● Draw 2 cards. ● Take control of 1 monster your opponent controls until the End Phase. ● Look at your opponent's hand, and choose 1 card from it to shuffle into the Deck. You can only activate 1 "Triple Tactics Talent" per turn.



Trap
NormalAbyss-steam
Draw cards equal to the number of different Monster Types among the monsters you control that are Fish, Sea Serpent, or Aqua monsters, also until the end of your next turn after this card resolves, you cannot Special Summon from the Extra Deck, except WATER monsters. 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; add 1 "Mermail" monster from your GY or banishment to your hand. You can only use each effect of "Abyss-steam" once per turn.



Trap
NormalInfinite 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.



Trap
NormalXyz Poseidon Splash
If you control an Xyz Monster that has an Xyz Monster as material: Declare 1 monster Attribute on the field; destroy all monsters on the field with that Attribute, except monsters equipped with an Equip Spell. You can banish this card from your GY and detach 1 material from a monster you control; Special Summon 1 Fish, Sea Serpent, or Aqua monster from your GY to either field. You can only use 1 "Xyz Poseidon Splash" effect per turn, and only once that turn.



WATERHaggard Lizardose
ATK:
800
LINK-2
Link Arrow:
Right
Bottom
2 monsters with different names You can banish 1 monster from your face-up field or GY with 2000 or less ATK, then target 1 face-up monster on the field; make its ATK become equal to the original ATK of the monster banished to activate this effect (until the end of this turn), then if you banished a monster that was originally Reptile, draw 1 card. You can only use this effect of "Haggard Lizardose" once per turn.



WATERMarincess 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.



WATERMermail King - Neptabyss
ATK:
2300
LINK-3
Link Arrow:
Bottom-Left
Bottom
Bottom-Right
2+ monsters, including a Fish, Sea Serpent, or Aqua monster Your opponent cannot target WATER monsters this card points to with card effects. You can only use each of the following effects of "Mermail King - Neptabyss" once per turn. If a WATER monster(s) is sent to the GY to activate a card or effect (except during the Damage Step): You can take 1 "Abyss-" Equip Spell from your Deck or GY and either add it to your hand or equip it to this card. If this card in its owner's possession is destroyed by an opponent's card: You can add 1 "Atlantean" or "Mermail" monster from your Deck to your hand.



WATERWorldsea 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.



WATER
6Brionac, Dragon of the Ice Barrier
ATK:
2300
DEF:
1400
1 Tuner + 1+ non-Tuner monsters You can discard any number of cards to the GY, then target the same number of cards your opponent controls; return those cards to the hand. You can only use this effect of "Brionac, Dragon of the Ice Barrier" once per turn.



WATER
10Ghoti of the Deep Beyond
ATK:
-1
DEF:
0
1+ Fish Tuners + 1+ non-Tuner monsters The original ATK of this card becomes 500 x the number of banished monsters. If this card is Synchro Summoned during your opponent's turn: You can banish all cards on the field. During the Standby Phase of the next turn after this card was banished from the Monster Zone: You can Special Summon this banished card.



WATER
Abysstrite, the Atlantean Spirit
ATK:
2100
DEF:
2800
2+ Level 7 WATER monsters WATER monsters you control gain 300 ATK/DEF for each material attached to this card. You can only use each of the following effects of "Abysstrite, the Atlantean Spirit" once per turn. If this card is Xyz Summoned: You can target 1 Level 7 or lower Fish, Sea Serpent, or Aqua monster in your GY; Special Summon it. You can detach 1 material from this card; Set 1 "Abyss-" Trap from your Deck.



WATER
Mermail Abyssgaios
ATK:
2800
DEF:
1600
2 Level 7 WATER monsters While this face-up card has Xyz Material, Level 5 or higher monsters cannot attack. Once per turn, during either player's turn: You can detach 1 Xyz Material from this card; negate the effects of all face-up monsters your opponent currently controls that have less ATK than this card, until the end of the turn.



WATER
Poseidra Abyss, the Atlantean Dragon Lord
ATK:
3000
DEF:
1800
3 Level 7 monsters Once per turn, you can also Xyz Summon "Poseidra Abyss, the Atlantean Dragon Lord" by using 1 "Atlantean" or "Mermail" Xyz Monster you control. (Transfer its materials to this card.) Once per turn: You can detach 2 materials from this card, then send 1 WATER monster from your hand or Deck to the GY; return up to 3 cards your opponent controls to the hand. If this Xyz Summoned card is sent to the GY: You can discard 1 card to the GY; Special Summon 3 Level 3 or lower Fish, Sea Serpent, and/or Aqua monsters from your hand and/or GY.





























































