Structure Deck

A rare rainbow fish that has never been caught by mortal man......

When you control no face-up monsters: Pay half your Life Points; Special Summon 1 Level 4 or lower ".....

This card's name is treated as "Umi". Reduce the Level of all WATER monsters in both player's hands .....

"This card's name is treated as "Umi". Downgrade all WATER monster in both player's hand and on the .....

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Return 1 Level 5 or higher Dragon-Type monster you control to the hand, and if you do, destroy all S.....

Return 1 face-up Level 5 or higher Dragon-Type monster you control to the owner's hand and destroy a.....

Return 1 face-up Level 5 or higher Dragon-Type monster you control to the hand, and destroy all Spel.....

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Once per turn: You can discard 1 WATER monster to the Graveyard to target 1 card on the field; retur.....

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Select 1 face-down Defense Position monster. Flip it face-up, and if the DEF of the monster is 2000 .....

Until the End Phase of this turn, all face-up Level 3 or lower WATER monsters you control cannot be .....

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During battle between this attacking card and a Defense Position monster whose DEF is lower than the.....

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Many of the czars' lost jewels can be found in the scales of this priceless dragon. Its creator rema.....

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Draw 2 cards, then remove from play 1 DARK monster from your hand. If you don't have any DARK monste.....

Draw 2 cards, then banish 1 DARK monster from your hand, or, if you don't have any in your hand, sen.....

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"As long as "Umi" remains face-up on the field, this card can attack your opponent's Life Points dir.....

While an "Ancient Gear" is face-up on your side of the field, you can Special Summon this card from .....

This card cannot be Special Summoned. The effects of your opponent's Effect Monster that this monste.....

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By Tributing this card, inflict 500 points of damage to your opponent's Life Points, and then neithe.....

Increase the ATK of each face-up monster on the field that includes "Ancient Gear" in its card name .....

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You can only activate this card by discarding 1 card from your hand while a monster that includes "A.....

Negate the effect of a Trap Card that targets this card and destroy it. When this card destroys a mo.....

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Target 1 face-up "Ancient Gear" monster on your side of the field when you activate this card. Destr.....

Select 1 monster in your hand that includes "Ancient Gear" in its card name (show the monster to you.....

Equip only to an "Ancient Gear" monster. Destroy any monster that battles with it, at the end of the.....

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When you tribute summon this card, and if a sacrafice is one of the following cards this card gains .....

If you Tribute Summon this card by Tributing 1 of the following monsters, this card gets the appropr.....

If this card attacks, your opponent cannot activate any Spell/Trap Cards until the end of the Damage.....

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If this card attacks, your opponent cannot activate any Spell/Trap Cards until the end of the Dama.....

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This card cannot be Special Summoned. When this card attacks with an ATK that is higher than the DEF.....

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If this card attacks, your opponent cannot activate any Spell or Trap Cards until the end of the Dam.....

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This card can only be equipped to an "Ancient Gear" monster. The equipped monster gains 600 ATK. Whe.....

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