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 4

You can target 1 WATER monster you control; Special Summon from your Deck in Defense Position, 1 Fish monster with the same Level as that monster, but with a different name, and if you do, it cannot activate its effects this turn, also, you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Xyz Monsters. You can only use this effect of "Buzzsaw Shark" once per turn. If this card is used for the Xyz Summon of a WATER monster, it can be treated as a Level 3 or 5 monster.

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 3

When this card is added from your Deck or Graveyard to your hand by a card effect: You can Special Summon this card from your hand. You must control a "Mermail" monster to activate and to resolve this effect. When this card is Special Summoned by the effect of a "Mermail" monster: You can target 1 Level 3 or lower "Mermail" monster in your Graveyard; Special Summon that target. You can only use 1 "Mermail Abyssdine" effect per turn, and only once that turn.

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 Level 4 WATER monsters You can also Xyz Summon this card by using a Rank 3 WATER Xyz Monster you control that has no Xyz Materials as the Xyz Material. This card gains 200 ATK for each Xyz Material attached to it. If this face-up card would be destroyed, you can detach all of its Xyz Materials instead. If this card destroys an opponent's monster by battle: You can target 1 Spell/Trap Card your opponent controls; destroy that target.

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.

Trap Normal

If you have no Trap Cards in your Graveyard: Target 2 monsters on the field; destroy those targets.

Spell Quick

Target 1 Spell/Trap on the field; destroy that target.

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.

Spell Quick

Target 1 face-up monster on the field; change that target to face-down Defense Position.

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

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 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 3 monsters When this card is Special Summoned: You can attach 1 Level 3 WATER monster from your hand or your side of the field to this card as an Xyz Material. Once per turn: You can detach 1 Xyz Material from this card, then target 1 WATER monster you control; this turn, that monster can attack your opponent directly, also other monsters cannot attack.

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

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.

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 3 monsters When this card is Special Summoned: You can attach 1 Level 3 WATER monster from your hand or your side of the field to this card as an Xyz Material. Once per turn: You can detach 1 Xyz Material from this card, then target 1 WATER monster you control; this turn, that monster can attack your opponent directly, also other monsters cannot attack.

Spell Quick

Target 1 face-up monster on the field; change that target to face-down Defense Position.

Spell Quick

Target 1 Spell/Trap on the field; destroy that target.