WATER

2 Level 2 monsters This card is unaffected by other monsters' effects. You can activate "Paleozoic" Trap Cards from your hand. If this card has a Trap Card as Xyz Material: You can detach 1 Xyz Material from this card; add 1 "Paleozoic" Trap Card from your Deck to your hand. You can only use this effect of "Paleozoic Opabinia" once per turn.

Trap Normal

Target 1 face-up card on the field; discard 1 card, and if you do, banish it. Once per Chain, when a Trap Card is activated while this card is in your GY: You can Special Summon this card as a Normal Monster (Aqua/WATER/Level 2/ATK 1200/DEF 0). (This card is NOT treated as a Trap.) If Summoned this way, this card is unaffected by monster effects, also banish it when it leaves the field.

WATER

3 or more Level 2 monsters This card is unaffected by other monsters' effects. Once per turn, if a Trap Card(s) is sent from your Spell & Trap Zone to the Graveyard (except during the Damage Step): You can excavate the top card of your Deck, and if it is a Trap Card, add it to your hand. Otherwise, send it to the Graveyard. Once per turn, during either player's turn, if this card has a Trap Card as Xyz Material: You can detach 1 Xyz Material from this card, then target 1 card on the field; destroy it.

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

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.

Trap Normal

Target 1 monster on the field; return that target to the hand.

WATER 2

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

Trap Normal

Target 1 face-up monster your opponent controls; change it to face-down Defense Position. Once per Chain, when a Trap Card is activated while this card is in your GY: You can Special Summon this card as a Normal Monster (Aqua/WATER/Level 2/ATK 1200/DEF 0). (This card is NOT treated as a Trap.) If Summoned this way, this card is unaffected by monster effects, also banish it when it leaves 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

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 WATER monsters All WATER monsters on the field gain 500 ATK and DEF, also all FIRE monsters on the field lose 400 ATK and DEF. If this card is destroyed by battle or card effect: You can target 1 WATER monster in your GY; add it to your hand. You can only use this effect of "Mistar Boy" once per turn.

Trap Normal

When a monster(s) is Summoned: This turn, that face-up monster(s) cannot attack, its effects are negated, also it cannot be used as material for a Fusion, Synchro, Xyz, or Link Summon.

WATER 2

Cannot be used as a Synchro Material. This card's name becomes "Des Frog" while it is on the field. If this card is in your Graveyard: You can banish 1 "Frog" monster from your Graveyard; Special Summon this card.

WATER 2

If this card is sent to the GY to activate a WATER monster's effect: You can make your opponent banish 1 card from their hand face-up, until the End Phase. If this card is Special Summoned: You can send the top 2 cards of your Deck to the GY, then target 1 Level 4 or lower WATER monster in your GY, except "Deep Sea Sentry"; add it to your hand. You can only use each effect of "Deep Sea Sentry" once per turn.

Trap Normal

Target 1 Spell/Trap Card on the field; destroy it. Once per Chain, when a Trap Card is activated while this card is in your Graveyard: Special Summon this card as a Normal Monster (Aqua-Type/WATER/Level 2/ATK 1200/DEF 0). (This card is NOT treated as a Trap Card.) If Summoned this way, this card is unaffected by monster effects, also banish it when it leaves the field.

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

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

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

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.

Trap Normal

Target 1 monster on the field; return that target to the hand.

Trap Normal

Target 1 face-up monster your opponent controls; change it to face-down Defense Position. Once per Chain, when a Trap Card is activated while this card is in your GY: You can Special Summon this card as a Normal Monster (Aqua/WATER/Level 2/ATK 1200/DEF 0). (This card is NOT treated as a Trap.) If Summoned this way, this card is unaffected by monster effects, also banish it when it leaves the field.

Trap Normal

Target 1 face-up card on the field; discard 1 card, and if you do, banish it. Once per Chain, when a Trap Card is activated while this card is in your GY: You can Special Summon this card as a Normal Monster (Aqua/WATER/Level 2/ATK 1200/DEF 0). (This card is NOT treated as a Trap.) If Summoned this way, this card is unaffected by monster effects, also banish it when it leaves the field.

Trap Normal

When a monster(s) is Summoned: This turn, that face-up monster(s) cannot attack, its effects are negated, also it cannot be used as material for a Fusion, Synchro, Xyz, or Link Summon.