Phantom Dragonray Bronto

Fish/Gemini

"This card is treated as a Normal Monster while face-up on the field or in the Graveyard. While this card is face-up on the field, you can Normal Summon it to have it be treated as an Effect Monster with this effect:
The original ATK of this card becomes 2300. If this card attacks, it is switched to Defense Position at the end of the Battle Phase. This card's battle position cannot be changed until the end of your next turn, except with a card effect."

Flawless Perfection of the Tenyi

All non-Effect Monsters on the field are unaffected by monster effects. Once per turn, if your opponent Special Summons an Effect Monster(s), while you control a face-down monster or non-Effect Monster (except during the Damage Step): You can draw 2 cards.

Pacifis, the Phantasm City

(This card's name is always treated as "Umi".)
You cannot Normal or Special Summon Effect Monsters the turn you activate either of this card's effects (even if this card leaves the field). Once per turn, if you Normal or Special Summon exactly 1 Normal Monster (and no other cards): Add 1 "Phantasm Spiral" card from your Deck to your hand. If your opponent activates a card or effect (except during the Damage Step), and you control no Tokens: You can Special Summon 1 "Phantasm Spiral Token" (Wyrm-Type/WATER/Level 8/ATK 2000/DEF 2000).

Phantasm Spiral Crash

Equip only to a Normal Monster. If the equipped monster attacks a Defense Position monster, inflict piercing battle damage to your opponent. When the equipped monster inflicts battle damage to your opponent: You can Special Summon 1 "Phantasm Spiral Dragon" from your hand, Deck, or Graveyard, and equip it with this card, then you can change 1 Attack Position monster your opponent controls to Defense Position. You can only use this effect of "Phantasm Spiral Crash" once per turn.

Phantasm Spiral Grip

Equip only to a Normal Monster. It gains 500 ATK. When the equipped monster destroys an opponent's monster by battle: You can Special Summon 1 "Phantasm Spiral Dragon" from your hand, Deck, or Graveyard, and equip it with this card, then inflict 1000 damage to your opponent. You can only use this effect of "Phantasm Spiral Grip" once per turn.

Phantasm Spiral Wave

Equip only to a Normal Monster. The first time the equipped monster would be destroyed by battle each turn, it is not destroyed. At the end of the Battle Phase, if the equipped monster battled: You can Special Summon 1 "Phantasm Spiral Dragon" from your hand, Deck, or Graveyard, and equip it with this card, then if they have any, your opponent discards 1 card. You can only use this effect of "Phantasm Spiral Wave" once per turn.

Terraforming

Add 1 Field Spell Card from your Deck to your hand.

Umiiruka

Increase the ATK of all WATER monsters by 500 points and decrease their DEF by 400 points.

Drowning Mirror Force

When an opponent's monster declares a direct attack: Shuffle all your opponent's Attack Position monsters into the Deck.

Fists of the Unrivaled Tenyi

When a Spell/Trap Card, or monster effect, is activated while you control a face-up non-Effect Monster: Negate the activation. If this Set card you control is destroyed by your opponent's card effect: You can Special Summon 1 non-Effect Monster from your Extra Deck.

Paleozoic Canadia

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.

Paleozoic Dinomischus

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 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.

Paleozoic Eldonia

Target 1 face-up monster on the field; it gains 500 ATK/DEF until the end of this turn. 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.

Paleozoic Hallucigenia

Target 1 face-up monster on the field; its ATK/DEF become half its current ATK/DEF until the end of this turn. 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.

Paleozoic Leanchoilia

Target 1 banished card; return it to the Graveyard. 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.

Paleozoic Marrella

Send 1 Trap Card from your Deck to the Graveyard. 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.

Paleozoic Olenoides

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.

Paleozoic Pikaia

Discard 1 "Paleozoic" card, then draw 2 cards. 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.

Phantasm Spiral Assault

Target 1 "Phantasm Spiral Dragon" you control; when it destroys 3 Effect Monsters your opponent controls, by battle, while equipped with 3 or more "Phantasm Spiral" Equip Spell Cards with different names, you win the Duel. If "Umi" is on the field, you can activate this card from your hand. If a Normal Monster(s) you control would be destroyed by battle or card effect, you can banish this card from your Graveyard instead.

Phantasm Spiral Battle

If all monsters you control are Normal Monsters (min. 1): Target 1 card your opponent controls; destroy it. If "Umi" is on the field, you can activate this card from your hand. You can banish this card from your Graveyard, then target 1 Normal Monster you control; equip that Normal Monster with all "Phantasm Spiral" Equip Spell Cards you control that can equip to it.

Phantasm Spiral Power

If all monsters you control are Normal Monsters (min. 1): Target 1 Effect Monster your opponent controls; until the end of this turn, it loses 1000 ATK and DEF, also it has its effects negated. If "Umi" is on the field, you can activate this card from your hand. You can banish this card from your Graveyard, then target 1 Normal Monster you control; equip 1 "Phantasm Spiral" Equip Spell Card from your hand or Graveyard to that Normal Monster.

Sea Stealth Attack

When this card is activated: You can activate 1 "Umi" from your hand or GY. While "Umi" is on the field, this face-up card gains these effects.
• Once per turn: You can banish 1 WATER monster you control until the End Phase; this turn, face-up Spells/Traps you control cannot be destroyed by your opponent's card effects (even if this card leaves the field).
• At the start of the Damage Step, if your WATER monster whose original Level is 5 or higher battles an opponent's monster: Destroy that opponent's monster.

Abyss Dweller

Sea Serpent/Xyz/Effect

2 Level 4 monsters
While this card has an Xyz Material attached that was originally WATER, all WATER monsters you control gain 500 ATK. Once per turn, during either player's turn: You can detach 1 Xyz Material from this card; any card effects that activate in your opponent's Graveyard cannot be activated this turn.

Mermail Abysstrite

Sea Serpent/Xyz/Effect

3 Level 3 monsters // During either player's turn, when your opponent targets exactly 1 face-up "Mermail" monster you control for an attack, or with a Spell/Trap effect that could have targeted this card (except during the Damage Step): You can detach 1 Xyz Material from this card; that attack

Number 73: Abyss Splash

Warrior/Xyz/Effect

2 Level 5 WATER monsters Once per turn, during either player's turn: You can detach 1 Xyz Material from this card; double this card's ATK until the end of your opponent's turn, also, any battle damage it inflicts to your opponent this turn is halved.

Number C73: Abyss Supra Splash

Warrior/Xyz/Effect

3 Level 6 monsters If a monster you control battles an opponent's monster, during damage calculation (in either player's turn): You can detach 1 Xyz Material from this card once per battle; your battling monster gains ATK equal to the ATK of the opponent's monster it is battling, during that damage calculation only. If this card has "Number 73: Abyss Splash" as Xyz Material, it gains this effect. ? This card cannot be destroyed by card effects.

Paleozoic Anomalocaris

Aqua/Xyz/Effect

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.

Paleozoic Opabinia

Aqua/Xyz/Effect

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.