Legendary Duelists

(This card's name is always treated as "Umi".)
All WATER monsters on the field gain 200 ATK/DEF. Reduce the Level of all WATER monsters in both players' hands and on the field by 1.

A Legendary Ocean

You can Tribute 2 monsters; inflict 1200 damage to your opponent.

Amazoness Archer

This card's name becomes "Amazoness Tiger" while on the field or in the GY. If an "Amazoness" monster is Normal or Special Summoned to your field while this card is in your hand or GY: You can Special Summon this card. You can only use this effect of "Amazoness Baby Tiger" once per turn. Gains 100 ATK for each "Amazoness" card in your GY.

Amazoness Baby Tiger

Take 1 "Amazoness" card from your Deck, except "Amazoness Call", and either add it to your hand or send it to the GY. During your Main Phase: You can banish this card from your GY, then target 1 "Amazoness" monster you control; this turn, that monster can attack all monsters your opponent controls, once each, also other monsters you control cannot attack. You can only activate 1 "Amazoness Call" per turn.

Amazoness Call

Once per turn, during the Battle Phase: You can Special Summon 1 "Amazoness" monster from your hand, and if you do, it gains 500 ATK until the end of this turn (even if this card leaves the field). After damage calculation, if your "Amazoness" monster battled an opponent's monster while this card is already face-up in your Spell & Trap Zone: You can banish that opponent's monster. If this card on the field is destroyed and sent to the GY: You can target 1 "Amazoness" monster in your GY; Special Summon it.

Amazoness Onslaught

This card's name becomes "Amazoness Queen" while on the field or in the GY. If this card is Normal or Special Summoned: You can add 1 "Amazoness" Spell/Trap from your Deck to your hand. You can only use this effect of "Amazoness Princess" once per turn. When this card declares an attack: You can send 1 other card from your hand or field to the GY; Special Summon 1 "Amazoness" monster from your Deck in Defense Position, except "Amazoness Princess".

Amazoness Princess

Your opponent takes any battle damage you would have taken from battles involving this card instead.

Amazoness Swords Woman

All "Amazoness" monsters gain 200 ATK. Once per turn, when an "Amazoness" monster is destroyed by battle or card effect and sent to the GY: You can Special Summon 1 "Amazoness" monster from your Deck with a Level less than or equal to that "Amazoness" monster in the GY.

Amazoness Village

If this card is Tribute Summoned by Tributing at least 1 "roid" monster: Banish all Spells and Traps on the field.

Armoroid

Tribute 2 "Duoterion" and 1 "Oxygeddon" in your hand and/or field; Special Summon 1 "Water Dragon" or "Water Dragon Cluster" from your hand, Deck, or GY. (This is treated as a Special Summon with the effect of "Bonding - H2O".) If "Water Dragon" or "Water Dragon Cluster" is sent from the field to your GY while this card is in your GY: Add this card to your hand. You can only use this effect of "Bonding - D2O" once per turn.

Bonding - D2O

Shuffle 1 "Duoterion", 1 "Hydrogeddon", and 1 "Oxygeddon" from your hand and/or GY into the Deck; Special Summon 1 "Water Dragon Cluster" from your hand or GY. You can banish this card from your GY; add 1 "Water Dragon" or "Water Dragon Cluster" from your Deck or GY to your hand.

Bonding - DHO

Tribute 2 "Hydrogeddon" and 1 "Oxygeddon"; Special Summon 1 "Water Dragon" from your hand, Deck, or GY.

Bonding - H2O

If this card is in your hand or GY: You can Tribute 2 WATER monsters; Special Summon this card. You can only use this effect of "Citadel Whale" once per turn. If this card is Special Summoned: You can Set 1 "Sea Stealth Attack" directly from your Deck. Once per turn, when your opponent activates a card or effect that targets 1 WATER monster you control (and no other cards) (Quick Effect): You can negate the activation, and if you do, destroy that card.

Citadel Whale

If this card is sent to the GY while equipped to a monster: You can draw 1 card. You can only use each of the following effects of "Cyberdark Cannon" once per turn.
● You can discard this card; add 1 Machine "Cyberdark" monster from your Deck to your hand.
● During damage calculation, if a monster equipped with this card battles: You can send 1 monster from your Deck to the GY.

Cyberdark Cannon

If this card is sent to the GY while equipped to a monster: You can target 1 "Cyberdark" monster in your GY; add it to your hand. You can only use each of the following effects of "Cyberdark Claw" once per turn.
● You can discard this card; add 1 "Cyberdark" Spell/Trap from your Deck to your hand.
● During damage calculation, if a monster equipped with this card battles: You can send 1 monster from your Extra Deck to the GY.

Cyberdark Claw

If this card is Normal Summoned: Target 1 Level 3 or lower Dragon monster in your GY; equip that Dragon monster to this card. Gains ATK equal to the original ATK of the monster equipped to it by this effect. This card can attack directly. If it does using this effect, its ATK is halved during damage calculation only. If this card would be destroyed by battle, destroy the monster equipped to it by its effect, instead.

Cyberdark Edge

If this card is Normal Summoned: Target 1 Level 3 or lower Dragon monster in your GY; equip that Dragon monster to this card. Gains ATK equal to the original ATK of the monster equipped to it by this effect. If this card attacks a Defense Position monster, inflict piercing battle damage. If this card would be destroyed by battle, destroy the monster equipped to it by its effect, instead.

Cyberdark Horn

"Cyberdark" Effect Monsters you control that are equipped with an Equip Card cannot be destroyed by your opponent's card effects, also your opponent cannot target them with card effects. You can target 1 "Cyberdark" monster you control; return it to the hand, then, immediately after this effect resolves, you can Normal Summon 1 "Cyberdark" monster. You can only use this effect of "Cyberdark Inferno" once per turn. If this card in its owner's control is destroyed by an opponent's card effect: You can add 1 "Polymerization" Spell or "Fusion" Spell from your Deck to your hand.

Cyberdark Inferno

If this card is Normal Summoned: Target 1 Level 3 or lower Dragon monster in your GY; equip that Dragon monster to this card. Gains ATK equal to the original ATK of the monster equipped to it by this effect. If this card destroys an opponent's monster by battle: Inflict 300 damage to your opponent. If this card would be destroyed by battle, destroy the monster equipped to it by its effect, instead.

Cyberdark Keel

5 "Cyberdark" Effect Monsters
Must first be Fusion Summoned. If this card is Special Summoned: You can equip 1 Dragon or Machine monster from your GY to this card. Gains ATK equal to the original ATK of the monster equipped to it by this effect. When your opponent activates a card or effect (Quick Effect): You can send 1 Equip Card you control to the GY; negate the activation, and if you do, destroy that card.

Cyberdarkness Dragon

You can discard this card; add 1 "Bonding" Spell/Trap from your Deck to your hand. If this card is Normal or Special Summoned: You can target 1 "Hydrogeddon", "Oxygeddon", or "Duoterion" in your GY; Special Summon it. You can only use each effect of "Duoterion" once per turn.

Duoterion

When a Spell/Trap Card, or monster effect, is activated while you control a "roid" Fusion Monster: Negate the activation, then send all cards with the same name as that card from the activating player's Deck and Extra Deck to the GY. You can banish this card from the GY, then target 1 "roid" monster in your GY; add it to your hand. You can only use this effect of "Emergeroid Call" once per turn.

Emergeroid Call

When this card is Summoned: You can target 2 "roid" monsters in your GY, except "Expressroid"; add those targets to your hand.

Expressroid

Once per turn, if either player equips an Equip Card(s) to this card: You can destroy those Equip Cards, then you can destroy 1 Spell/Trap your opponent controls. Once per turn: You can send 1 Equip Card you control that is equipped to this card to the GY, then target 1 Level 7 or lower "Red-Eyes" monster in your GY; Special Summon it.

Gearfried the Red-Eyes Iron Knight

When this card destroys an opponent's monster by battle and sends it to the GY: You can Special Summon 1 "Hydrogeddon" from your Deck.

Hydrogeddon

Target 1 "Red-Eyes B. Dragon" in your Monster Zone; inflict damage to your opponent equal to its original ATK. "Red-Eyes B. Dragon" cannot attack the turn you activate this card.

Inferno Fire Blast

If this card battles a non-Normal Monster, this card gains 500 ATK during the Damage Step only.

Leotaur

You can target 1 other card you control; destroy it, and if you do, add 1 "roid" card from your Deck to your hand. During damage calculation, if your "roid" monster battles: You can send 1 "roid" monster from your Deck to the GY; switch the original ATK and DEF of your battling monster during the damage calculation only. You can only use each effect of "Megaroid City" once per turn. You cannot Special Summon monsters from the Extra Deck, except Fusion Monsters, the turn you activate either of this card's effects (even if this card leaves the field).

Megaroid City

You can Tribute 1 Machine monster; Special Summon 1 non-WIND "roid" monster from your Deck. You can pay half your LP and banish any number of Machine monsters from your GY, including this card; Special Summon from your Extra Deck, 1 "roid" Fusion Monster with the same Level as the number of those banished monsters, ignoring its Summoning conditions, but destroy it during the End Phase. You can only use each effect of "Mixeroid" once per turn.

Mixeroid

Discard 1 card, then target 1 monster in your GY; add it to your hand.

Monster Reincarnation

If this card is destroyed by battle with a Pyro monster and sent to the GY: Each player takes 800 damage.

Oxygeddon

If "Umi" is on the field: Target monsters your opponent controls, up to the number of WATER monsters you control whose original Levels are 5 or higher; destroy them, and if you do, the zones they were in cannot be used until the end of the next turn. You can only activate 1 "Rage of Kairyu-Shin" per turn.

Rage of Kairyu-Shin

When this card is destroyed by battle and sent to the GY: You can Special Summon 1 Level 7 or lower "Red-Eyes" monster from your Deck, and if you do, equip this card from the GY to it. It gains 300 ATK. If this card is sent to the GY while equipped to a monster: You can add 1 Level 1 Dragon monster from your Deck or GY to your hand.

Red-Eyes Baby Dragon

''A ferocious dragon with a deadly attack.''

Red-Eyes Black Dragon

Target 1 "Red-Eyes" monster you control; equip this card to it. It can make up to 2 attacks on monsters during each Battle Phase. You can send this Equip Card to the GY, then target 1 Effect Monster on the field; equip that target to the monster this card was equipped to, and if you do, while a monster is equipped to it by this effect, its ATK/DEF become equal to the original ATK/DEF of that equipped monster.

Red-Eyes Fang with Chain

Fusion Summon 1 Fusion Monster that lists a "Red-Eyes" monster as material from your Extra Deck, using monsters from your hand, Deck, or field as Fusion Materials, and if you do, its name becomes "Red-Eyes B. Dragon". You cannot Normal or Special Summon other monsters the turn you activate this card. You can only activate 1 "Red-Eyes Fusion" per turn.

Red-Eyes Fusion

If a Level 7 or lower "Red-Eyes" monster(s) you control is destroyed by your opponent's attack or card effect and sent to your GY, while this card is in your hand: You can Special Summon this card in Defense Position, and if you do, Special Summon as many of those destroyed monsters as possible in the same position they were in when destroyed. You can Tribute this card; you can Normal Summon 1 "Red-Eyes" monster during your Main Phase this turn in addition to your Normal Summon/Set. (You can only gain this effect once per turn.)

Red-Eyes Retro Dragon

"Red-Eyes B. Dragon" + 1 Warrior monster
When a "Red-Eyes" monster declares an attack: You can target 1 Warrior monster in your GY; equip it to this card as an Equip Spell with this effect. ● The equipped monster gains 200 ATK.
When a card or effect is activated that targets a card you control (Quick Effect): You can send 1 Equip Card you control to the GY; negate the activation, and if you do, destroy that card. If this card is destroyed by battle or card effect: You can Special Summon as many monsters from your GY as possible, that were equipped to this card.

Red-Eyes Slash Dragon

Target 2 face-up monsters on the field; halve the ATK of 1 monster, and if you do, add that lost ATK to the other monster. These effects last until the end of this turn.

Riryoku

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.

Sea Stealth Attack

Once per turn: You can target 1 Set card in your opponent's Spell & Trap Zone; while this card is face-up on the field, its target(s) cannot be activated.

Sergeant Electro

When an opponent's monster declares an attack: You can send this card from your hand to the GY; change the attacking monster to Defense Position. When you Ritual Summon, you can banish this card from your GY as 1 of the monsters required for the Ritual Summon.

Sphere Kuriboh

1 "roid" Fusion Monster + 1 "roid" monster
You can target 1 face-up monster your opponent controls; Special Summon 1 "roid" monster from your Deck or Extra Deck with ATK less than or equal to that monster. You can only use this effect of "Super Vehicroid - Mobile Base" once per turn. Once per turn, during the End Phase: You can target 1 "roid" monster in your Main Monster Zone (other than this card); return that monster you control to the hand, and if you do, move this card you control to that monster's Monster Zone.

Super Vehicroid - Mobile Base

When you take battle damage while you control no monsters: Gain LP equal to the battle damage you took, and if you do, Special Summon 1 "Malus Token" (Fiend/DARK/Level 1/ATK ?/DEF ?). Its ATK/DEF are each equal to the amount of LP you gained by this effect.

The Golden Apples

While "Umi" is on the field, this card is unaffected by Spell effects and cannot be targeted for attacks, but does not prevent your opponent from attacking you directly.

The Legendary Fisherman

This card's name becomes "The Legendary Fisherman" while on the field or in the GY. While "Umi" is on the field, this card is unaffected by other monsters' effects. If this face-up card is destroyed by battle, or leaves the field because of an opponent's card effect while its owner controls it: You can add 1 Level 7 WATER monster from your Deck to your hand.

The Legendary Fisherman II

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by Tributing 1 "The Legendary Fisherman". When this card is Special Summoned: You can banish all monsters your opponent controls, also this card cannot attack this turn. Cannot be destroyed by battle or card effects, also unaffected by Spell/Trap effects. Once per turn: You can return as many of your opponent's banished cards as possible to their GY, and if you do, the first battle or effect damage your opponent takes this turn becomes doubled.

The Legendary Fisherman III

Fusion Summon 1 "Vehicroid" Fusion Monster from your Extra Deck, using monsters from your hand or field as Fusion Materials, and if you do, it cannot be destroyed by card effects, and its effects cannot be negated.

Vehicroid Connection Zone

Cannot be Normal Summoned/Set. Must be Special Summoned with "Bonding - H2O". The ATK of FIRE monsters and Pyro monsters on the field becomes 0. When this card is destroyed and sent to the GY: You can target 2 "Hydrogeddon" and 1 "Oxygeddon" in your GY; Special Summon them.

Water Dragon

Cannot be Normal Summoned/Set. Must be Special Summoned with the effect of a "Bonding" Spell/Trap. If this card is Special Summoned: You can activate this effect; Effect Monsters your opponent currently controls cannot activate their effects for the rest of this turn, also change their ATK to 0 until the end of this turn. (Quick Effect): You can Tribute this card; Special Summon 2 "Water Dragon" from your hand and/or Deck in Defense Position, ignoring their Summoning conditions.

Water Dragon Cluster

Once per turn: You can send any number of cards from your hand to the GY; place 1 Balloon Counter on this card for each card sent to the GY. All monsters your opponent controls lose 300 ATK for each Balloon Counter on this card.

Wonder Balloons

If this card is destroyed by battle and sent to the GY: Destroy the monster that destroyed this card.