When a Level 5 or higher Effect Monster(s) is Special Summoned: Banish that Level 5 or higher Effect Monster(s).

Aqua / Effect

At the end of the Battle Phase, if this card was destroyed by battle and sent to the Graveyard: Choose 1 monster from your Deck and place it on top of your Deck.

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.

Sea Serpent / Effect

If this card is added from the Deck or GY to your hand by an effect of a WATER monster: You can reveal this card; look at your opponent's hand. If this card is Special Summoned: You can send the top card of your Deck to the GY, then target 1 Level 4 or lower WATER monster in your GY, except "Deep Sea Artisan"; Special Summon it, but negate its effects. You can only use each effect of "Deep Sea Artisan" once per turn.

Sea Serpent / Tuner / Effect

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

Sea Serpent / Tuner / Effect

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.

Sea Serpent / Synchro / Tuner / Effect

1 Tuner + 1+ non-Tuner monsters

Your opponent cannot target a Synchro Monster that used this card as material with monster effects. You can only use each of the following effects of "Deep Sea Prima Donna" once per turn.

● You can target 1 of your opponent's banished cards; add to your hand, or Special Summon, 1 Level 4 or lower WATER monster from your Deck, and if you do, add that target to their hand.

● If this card is sent to the GY: You can target 1 banished card; shuffle it into the Deck.

Sea Serpent / Synchro / Tuner / Effect

"Deep Sea Diva" + 1+ non-Tuner monsters

Once per turn (Quick Effect): You can discard 1 Level 4 or lower WATER monster; this card gains 800 ATK until the end of this turn. If this Synchro Summoned card is sent to your GY: You can target 1 Level 5 or higher WATER monster in your GY, except "Deep Sea Repetiteur"; Special Summon it in Defense Position, also you cannot Special Summon monsters for the rest of this turn, except WATER monsters. You can only use this effect of "Deep Sea Repetiteur" once per turn.

Sea Serpent / Effect

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.

Fish / Effect

You can Tribute this card, then target 1 Spell/Trap Card on the field; destroy that target.

Dragon / Effect

When a face-up "Blue-Eyes" monster(s) you control is destroyed by battle or an opponent's card effect, and you have a Dragon-Type monster in your Graveyard: You can Special Summon this card from your hand, and if you do, inflict 600 damage to your opponent for each Dragon-Type monster with different names in your Graveyard. If this card is Normal or Special Summoned: Target 1 Dragon-Type monster in your Graveyard; this card's ATK becomes equal to that monster's. If this card on the field is destroyed by a card effect: Destroy all monsters your opponent controls.

Machine / Effect

You can Special Summon this card (from your hand) by sending 1 other Machine-Type monster from your hand to the Graveyard.

Fish / Effect

When this card is sent from the field to the Graveyard, all face-up WATER monsters you control gain 500 ATK until the end of this turn.

Fish / Fusion

"Bottom Dweller" + "Tongyo"

Warrior / Effect

As long as "Umi" is face-up on the field, this card is unaffected by any Spell Cards.

Cyberse / Effect

You can discard 1 other Cyberse monster; Special Summon this card from your hand. You can only use this effect of "Defcon Bird" once per turn. Once per turn, when your Cyberse monster is targeted for an attack: You can make its ATK/DEF become double its original ATK, then you can change it to Defense Position. This ATK/DEF change lasts until the end of the Damage Step.

Cyberse / Effect

Once per turn, if you would take damage from an opponent's card effect, place 1 Defect Counter on this card instead (max. 1). Once per turn (Quick Effect): You can remove 1 Defect Counter from this card, then target 1 Cyberse monster you control; it gains 800 ATK until the end of this turn.

Spellcaster / Effect

During your Main Phase: You can destroy 1 card in your hand, and if you do, Special Summon 1 Level 4 or lower "Nephthys" monster from your hand, except "Defender of Nephthys". During your next Standby Phase after this card was destroyed by card effect and sent to the GY: You can destroy 1 "Nephthys" monster in your Deck, except "Defender of Nephthys". You can only use each effect of "Defender of Nephthys" once per turn.

Aqua / Tuner / Effect

While you control another "Ice Barrier" monster, monsters your opponent controls cannot declare an attack if their ATK is greater than or equal to this card's DEF.

Warrior / Link / Effect

2 Normal Monsters

Non-Effect Monsters you control gain 500 ATK, also all Effect Monsters your opponent controls lose 500 ATK. If this card in its owner's possession is destroyed by your opponent's card: You can target 1 non-Effect Monster in your GY; Special Summon it. You can only use this effect of "Defender of the Labyrinth" once per turn.

Spellcaster / Effect

If this card is Normal Summoned: Place 1 Spell Counter on it (max. 1). Once per turn, if a Spellcaster monster(s) on the field would be destroyed, you can remove 1 Spell Counter from your field for each of those monsters instead.

Activate only during the Battle Phase. Defense Position monsters your opponent controls are changed to face-up Attack Position, and their effects are negated.

During your opponent's turn, at damage calculation: Make the battle damage you take from this battle 0, and if you do, draw 1 card.

For each monster a player controls in their Main Monster Zone, their Spells/Traps in the same column as that monster cannot be destroyed by their opponent's card effects, and their opponent cannot target them with card effects.

If you control a face-up "Gladiator Beast" monster: For the rest of this turn, monsters you control cannot be destroyed by battle, and any Battle Damage you take is reduced to 0. After this card resolves, put it on the bottom of your Deck.