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 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 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 2

If this card is sent from the hand or Deck to the Graveyard: You can Special Summon up to 2 Level 3 or lower "Nimble" monsters from your Deck, except "Nimble Angler".

WATER 2

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

WATER 7

You can Tribute 3 Level 3 or lower WATER monsters; Special Summon this card from your hand or Graveyard. When you do: Return all Spell and Trap Cards on the field to the hand, and if you do, if 3 or more cards are returned to the hand by this effect, all monsters your opponent currently controls lose 300 ATK for each.

WATER 2

You can Special Summon this card (from your hand) by discarding 1 other WATER monster. When this card is Summoned: You can send 1 Level 2 or lower WATER Aqua monster from your Deck or face-up field to the GY. Once per turn: You can return 1 monster you control to the hand; you can Normal Summon 1 "Frog" monster during your Main Phase this turn, except "Swap Frog", in addition to your Normal Summon/Set. (You can only gain this effect once per turn.)

WATER

2 WATER monsters Cannot be used as Link Material the turn it is Link Summoned. If this card is Link Summoned: You can Special Summon 1 Fish monster from your hand to your zone this card points to. You can target 1 other Fish monster you control and 1 card your opponent controls; banish those cards. You can only use each effect of "Abyss Keeper" once per turn.

WIND

2+ monsters with different names, except Tokens You can only control 1 "Apollousa, Bow of the Goddess". The original ATK of this card becomes 800 x the number of Link Materials used for its Link Summon. Once per Chain, when your opponent activates a monster effect (Quick Effect): You can make this card lose exactly 800 ATK, and if you do, negate the activation.

LIGHT

2 monsters with the same Level Cannot be used as Link Material. You can only use each of the following effects of "Bujinki Ahashima" once per turn. ● If this card is Link Summoned: You can Special Summon 2 monsters with the same Level, 1 from your hand and 1 from your GY, but negate their effects, and immediately after this effect resolves, Xyz Summon 1 Xyz Monster using those 2 monsters only. ● If an Xyz Monster this card points to activates an effect by detaching material(s) (except during the Damage Step): You can target 1 Spell/Trap your opponent controls; destroy it.

DARK

2 non-Link Monsters During your opponent's Main Phase, you can (Quick Effect): Immediately after this effect resolves, Link Summon 1 Link Monster using materials you control, including this card. You can only use this effect of "I:P Masquerena" once per turn. A Link Monster that used this card as material cannot be destroyed by your opponent's card effects.

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.

LIGHT

2+ monsters Special Summoned from the Extra Deck While this Link Summoned card is on the field, your opponent cannot target this card with card effects, also their monsters cannot target monsters for attacks, except this one. Once per battle, during damage calculation, if this card battles a Special Summoned monster (Quick Effect): You can make this card gain ATK equal to that opponent's monster's ATK during that damage calculation only. If this Link Summoned card you control is sent to your GY by an opponent's card: You can shuffle 1 card on the field into the Deck.

WATER

2 Fish, Sea Serpent, and/or Aqua monsters Monsters this card points to gain 500 ATK/DEF. You can only use each of the following effects of "Mermail Abyssalacia" once per turn. ● During your opponent's turn (Quick Effect): You can send 1 card from your hand to the GY; add 1 "Mermail" monster from your Deck to your hand. ● If this card in its owner's possession is destroyed by an opponent's attack or card effect: You can send 1 WATER monster from your Deck to the GY, then target 1 WATER monster in your GY; Special Summon it in Defense Position.

FIRE

2 monsters, including a Level/Rank/Link 2 monster Cannot be used as Link Material the turn it is Link Summoned. You can only use 1 of the following effects of "Spright Sprind" per turn, and only once that turn. If this card is Link Summoned: You can send 1 Level 2 monster from your Deck to the GY. If another monster is Special Summoned while this card is on the field (except during the Damage Step): You can detach 1 material from an Xyz Monster you control, then target 1 monster on the field; return it to the hand.

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

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

WATER 3

You can discard this card and 1 WATER monster; look at your opponent's hand and banish 1 card from their hand face-up, until the End Phase. If this card is Special Summoned: You can send the top 3 cards of your Deck to the GY, then target 1 Level 4 or lower WATER monster in your GY, except "Deep Sea Minstrel"; place it on the top or bottom of the Deck. You can only use each effect of "Deep Sea Minstrel" once per turn.

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 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 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.

DARK

2 Level 2 monsters For this card's Xyz Summon, you can treat Link-2 monsters you control as Level 2 monsters for material. The original ATK of this card that has a Fusion, Synchro, Xyz, or Link Monster as material becomes doubled. During your Main Phase: You can activate this effect; detach 1 material from a monster you control, and if you do, Special Summon 1 Level 2 monster from your Deck, also neither player can Special Summon for the rest of this turn, except Level/Rank/Link 2 monsters. You can only use this effect of "Gigantic Spright" once per turn.

WATER

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

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 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 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.