WATER 4

With its sound-baffling armor and gargantuan jaws, this primeval predator's phosphorescence was the only possible pardon for its primitive prey.

Spell Continuous

This card's name becomes "Umi" while on the field or in the GY. Your opponent cannot target WATER monsters you control with non-WATER monster effects. At the start of the Battle Phase: You can Special Summon from your hand or GY, 1 monster that mentions "Umi", or 1 WATER Normal Monster, in Defense Position, but destroy it at the end of the Battle Phase. You can only use this effect of "Sea Stealth II" once per turn.

WATER 8

A ferocious serpent that was being hunted by Atlanteans. Battle-weary and ragged, it came upon an ancient light, and gained new strength for its battle. With its increased power, it launched an invasion of enemy territory with a renewed assault.

WATER 6

"Two-Headed King Rex" + "Crawling Dragon #2"

WATER 6

"Mystic Lamp" + "Hyosube"

Trap Normal

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.

Spell Equip

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.

Spell Normal

Add 1 Level 7 or lower monster from your Deck to your hand, that mentions "Umi", or is a WATER Normal Monster, then if "Umi" is on the field, you can Special Summon 1 WATER Normal Monster from your Deck. You can only activate 1 "Fish Sonar" per turn.

Trap Normal

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.

Trap Counter

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.

Trap Continuous

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.

Trap Counter

When a monster(s) would be Summoned, OR a Spell/Trap Card is activated: Pay half your LP; negate the Summon or activation, and if you do, destroy that card.

Spell Normal

At the start of your Main Phase 1: Neither player can Normal or Special Summon Effect Monsters, until your next Draw Phase.

Spell Normal

Banish 3 or 6 cards of your choice from your Extra Deck, face-down; for the rest of this turn after this card resolves, any damage your opponent takes is halved, also excavate cards from the top of your Deck equal to the number of cards banished, add 1 excavated card to your hand, place the rest on the bottom of your Deck in any order. You can only activate 1 "Pot of Prosperity" per turn. You cannot draw cards by card effects the turn you activate this card.

Spell Normal

At the start of your Main Phase 1: Banish 3 or 6 random face-down cards from your Extra Deck, face-down; draw 1 card for every 3 cards banished. For the rest of this turn after this card resolves, you cannot draw any cards by card effects.

Spell Field

(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).

Spell Normal

Excavate the top 3 cards of your Deck, add 1 of them to your hand, also, after that, shuffle the rest back into your Deck. You can only activate 1 "Pot of Duality" per turn. You cannot Special Summon during the turn you activate this card.

Trap Normal

At the end of the Battle Phase, if your opponent controls more cards than you do: You can make your opponent banish cards from their field face-down so they control the same number of cards as you do. If you control no cards, you can activate this card from your hand.

Trap Counter

If you control a Level 7 or higher Normal Monster, when a monster would be Summoned OR a Spell/Trap Card is activated: Negate the Summon or activation, and if you do, destroy that card.

Spell Equip

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.

WATER 5

"Sea Kamen" + "Gruesome Goo" + "Amazon of the Seas"

Spell Equip

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.

WATER 7

"Worm Drake" + "Humanoid Slime"

Trap Counter

When a monster(s) would be Summoned, OR when a Spell/Trap Card, or monster effect, is activated that includes an effect that Special Summons a monster(s): Pay 2000 LP; negate the Summon or activation, and if you do, destroy it.

WATER 6

"Fairy Dragon" + "Amazon of the Seas" + "Zone Eater"

Spell Normal

Destroy all Spell and Trap Cards your opponent controls.

Spell Normal

Destroy all Spell and Trap Cards your opponent controls.

Trap Counter

When a monster(s) would be Summoned, OR a Spell/Trap Card is activated: Pay half your LP; negate the Summon or activation, and if you do, destroy that card.