Hidden Arsenal: Chapter 1

1 Tuner + 2 or more non-Tuner monsters 
 Once per turn, if your opponent controls a face-up LIGHT monster(s), you can activate 1 of these effects:
● Select 1 Set card your opponent controls, and destroy it.
● Send 1 card from your hand to the Graveyard to destroy all Spell/Trap Cards your opponent controls.
● Send all cards in your hand to the Graveyard to look at your opponent's hand and send all LIGHT monsters in their hand to the Graveyard. Then, inflict damage to your opponent equal to the total ATK of the opponent's monsters sent to the Graveyard.

Ally of Justice Decisive Armor

This legendary dragon is a powerful engine of destruction. Virtually invincible, very few have faced this awesome creature and lived to tell the tale.

Blue-Eyes White Dragon

Target 1 face-up monster on the field; change that target to face-down Defense Position.

Book of Moon

1 Tuner + 1+ non-Tuner monsters
You can discard any number of cards to the GY, then target the same number of cards your opponent controls; return those cards to the hand. You can only use this effect of "Brionac, Dragon of the Ice Barrier" once per turn.

Brionac, Dragon of the Ice Barrier

Once per turn: You can choose a number from 1 to 3, then send that many cards from the top of your Deck to the GY; this card gains 500 ATK for each card sent to the GY this way, until the end of this turn. If this card you control is destroyed and sent to your GY: Draw 1 card.

Card Trooper

If only your opponent controls a monster, you can Special Summon this card (from your hand).

Cyber Dragon

"Dark Magician" + "Buster Blader"
Must be Fusion Summoned. When a Spell Card is activated (Quick Effect): You can discard 1 card; negate the activation, and if you do, destroy it. This card must be face-up on the field to activate and to resolve this effect. Gains 500 ATK for each Dragon monster on the field and in the GY.

Dark Paladin

1 Tuner + 1 or more non-Tuner WATER monsters
Once per turn, you can return any number of face-up cards you control to the owner's hand. For each card returned to the owner's hand by this effect, this card gains 500 ATK until the End Phase.

Dewloren, Tiger King of the Ice Barrier

Gains 200 ATK for each "Dragunity" card you control. When this card is Normal Summoned: You can target 1 Level 3 or lower Dragon "Dragunity" monster in your GY; equip that target to this card.

Dragunity Dux

1 Dragon-Type Tuner + 1 or more non-Tuner Winged Beast-Type monsters
When this card is Synchro Summoned, you can select any number of Dragon-Type "Dragunity" monsters in your Graveyard, and equip them to this card. This card gains 300 ATK for each "Dragunity" card equipped to this card.

Dragunity Knight - Barcha

1 Dragon-Type Tuner + 1 or more non-Tuner Winged Beast-Type monsters 
 If this card attacks or is attacked, during the Damage Step you can remove from play 1 (only) Winged Beast-Type monster from your Graveyard, to have this card gain the ATK of that monster until the End Phase.

Dragunity Knight - Gae Bulg

Once per turn, while this card is equipped to a monster: You can Special Summon this equipped card.

Dragunity Phalanx

"Elemental HERO Avian" + "Elemental HERO Burstinatrix"
Must be Fusion Summoned and cannot be Special Summoned by other ways. When this card destroys a monster by battle and sends it to the Graveyard: Inflict damage to your opponent equal to the ATK of the destroyed monster in the Graveyard.

Elemental HERO Flame Wingman

If you control a "Fabled" monster: You can send this card from your hand to the GY; add 1 "Fabled" monster from your Deck to your hand, except "Fabled Grimro".

Fabled Grimro

1 "Fabled" Tuner + 1+ non-Tuner monsters
When this card is Synchro Summoned: You can draw until you have 2 cards in your hand.

Fabled Ragin

1 Tuner + 1 or more non-Tuner WATER monsters
Once per turn: You can discard up to 2 cards to the Graveyard to target the same number of cards your opponent controls; destroy them.

Gungnir, Dragon of the Ice Barrier

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) to your opponent's field by Tributing 2 monsters they control. You cannot Normal Summon/Set the turn you Special Summon this card. Once per turn, during your Standby Phase: Take 1000 damage.

Lava Golem

Once per chain, when a card or effect is activated (Quick Effect): You can target 1 "Mist Valley" card you control; return that target to the hand, and if you do, negate the activation, and if you do that, destroy it.

Mist Valley Apex Avian

1 Tuner + 2 or more non-Tuner monsters
If this card is Synchro Summoned: Target up to 3 cards your opponent controls; return those targets to the hand.

Mist Wurm

Target 1 Spell/Trap on the field; destroy that target.

Mystical Space Typhoon

If this card is Tribute Summoned by Tributing a "Naturia" monster, while this card remains face-up on the field, your opponent cannot activate Spell or Trap Cards.

Naturia Bamboo Shoot

1 EARTH Tuner + 1 or more non-Tuner EARTH monsters 
During either player's turn, when a Trap Card is activated: You can banish 2 cards from your Graveyard; negate the activation, and if you do, destroy it. This card must be face-up on the field to activate and to resolve this effect.

Naturia Barkion

1 EARTH Tuner + 1+ non-Tuner EARTH monsters 
When a Spell Card is activated (Quick Effect): You can send the top 2 cards of your Deck to the GY; negate the activation, and if you do, destroy it. This card must be face-up on the field to activate and to resolve this effect.

Naturia Beast

If this card is sent from the field to the Graveyard by your opponent's card (including by battle, card effect, or by being destroyed), you can Special Summon up to 2 "Naturia Cherries" from your Deck in face-down Defense Position.

Naturia Cherries

"Naturia Beast" + "Naturia Barkion"
A Fusion Summon of this card can only be conducted with the above Fusion Material Monsters. While this card is face-up on the field, you can negate the activation of a Spell/Trap Card, and destroy it, by removing from play 1 card from your Graveyard, then sending the top card of your Deck to the Graveyard.

Naturia Exterio

FLIP: Target 1 monster your opponent controls; destroy that target.
When this card is sent from the hand to the Graveyard: Target 1 Flip Effect Monster in your Graveyard, except this card; return that target to the hand.

Night Assailant

Activate by paying 1000 LP. Negate the effects of all face-up monsters while they are face-up on the field (but their effects can still be activated).

Skill Drain

1 Tuner + 2+ non-Tuner monsters
When this card is Synchro Summoned: You can banish up to 1 card each from your opponent's hand, field, and GY. (The card in the hand is chosen at random.)

Trishula, Dragon of the Ice Barrier

Duel Terminal 7b

2 Level 5 LIGHT monsters
Once per turn, during either player's turn: You can detach 1 Xyz Material from this card, then target 1 card on the field; return that target to the hand.

Constellar Pleiades

2 Level 6 monsters
You can also Xyz Summon this card by using a "Constellar" Xyz Monster you control as the Xyz Material, other than "Constellar Ptolemy M7". (Xyz Materials attached to that monster also become Xyz Materials on this card.) If Summoned this way, the following effect cannot be activated this turn. Once per turn: You can detach 1 Xyz Material from this card, then target 1 monster on the field or in either player's Graveyard; return that target to the hand.

Constellar Ptolemy M7

2 Level 4 monsters
Once per turn: You can detach 1 material from this card, then activate 1 of these effects.
● Target 3 monsters in your GY; shuffle all 3 into the Deck, then draw 1 card.
● Target 1 non-Effect Monster in your GY; Special Summon that target.

Daigusto Emeral

2 Level 4 "lswarm" monsters
Once per turn: You can detach 1 Xyz Material from this card to target 1 face-up monster your opponent controls; discard 1 "lswarm" monster, and if you do, take control of that opponent's monster.

Evilswarm Bahamut

3 Level 4 monsters
Once per turn: You can detach 1 Xyz Material from this card, then activate 1 of these effects. Each effect can only be used once while this card is face-up on the field.
● Target 1 card your opponent controls; return that target to the hand.
● Send 1 random card from your opponent's hand to the Graveyard.
● Target 1 card in your opponent's Graveyard; banish that target.

Evilswarm Ouroboros

3 "Gem-Knight" monsters
Must first be Fusion Summoned. This card gains 100 ATK for each "Gem-" monster in your Graveyard. Once per turn: You can banish 1 Level 7 or lower "Gem-Knight" Fusion Monster from your Graveyard; until the End Phase, this card's name becomes that monster's, and replace this effect with that monster's original effects.

Gem-Knight Master Diamond

2 Level 4 monsters
Once per turn: You can detach 1 Xyz Material from this card to activate 1 of these effects;
● Send 1 card from your Deck to the Graveyard.
● Choose 1 monster from your Deck and place it on top of your Deck.

Lavalval Chain

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by banishing 1 face-up Ritual, Fusion, Synchro, and Xyz Monster from anywhere on the field, and cannot be Special Summoned by other ways. This card's Special Summon cannot be negated. When this card is Special Summoned: Banish all other cards from both players' hands, fields, and Graveyards. Cards and effects cannot be activated in response to this effect's activation.

Sophia, Goddess of Rebirth

Duel Terminal 6b

2 Level 2 monsters
Once per turn: You can detach 1 Xyz Material from this card to target 1 face-up WIND monster you control; this turn, it can attack twice during each Battle Phase.

Daigusto Phoenix

2 Level 4 monsters
 After damage calculation, if this card destroys an opponent's monster by battle: You can detach 1 Xyz Material from this card; shuffle the destroyed monster into the Deck instead of sending it to the Graveyard.

Evigishki Merrowgeist

You can Ritual Summon this card with any "Gishki" Ritual Spell Card. Once per turn: You can declare 1 card type (Monster, Spell, or Trap); your opponent can discard 1 card to negate this card's effect, otherwise both players send 1 card of the declared type from their Main Deck to the Graveyard.

Evigishki Tetrogre

2 Level 3 monsters
If this card attacks or is attacked, during the Damage Step (in either player's turn): You can detach 1 Xyz Material from this card once per battle; this card gains 500 ATK until the end of this turn.

Lavalval Ignis

Cannot be Special Summoned. Requires 3 "Steelswarm" Tributes to Normal Summon (cannot be Normal Set). Once per turn: You can pay half your Life Points; destroy all other cards on the field.

Steelswarm Hercules

1 "Vylon" Tuner + 1 or more non-Tuner monsters
When this card is Synchro Summoned: You can target 1 Equip Spell Card in your Graveyard; equip that target to this card. While this card is equipped with an Equip Card, it cannot be destroyed by Spell/Trap effects, except for Equip Cards.

Vylon Alpha

3 Level 4 monsters
Once per turn: You can detach 1 Xyz Material from this card to target 1 face-up Attack Position Effect Monster your opponent controls; equip that target to this card. At the start of the Damage Step, if this card battles a monster whose Attribute is the same as a card equipped by this effect: Destroy that monster.

Vylon Disigma

2 Tuners + 1 non-Tuner "Vylon" monster
When this card is Synchro Summoned: Destroy all face-up monsters that were Normal Summoned/Set. Once per turn: You can target 1 "Vylon" monster in your Graveyard; equip that target to this card. During either player's turn, when a monster effect activates: You can send 1 Equip Card equipped to this card to the Graveyard; negate the activation, and if you do, destroy that monster.

Vylon Omega

Duel Terminal 5b

1 Tuner + 1 or more non-Tuner "Gusto" monsters
Once per turn, during your End Phase: You can banish 1 WIND monster from your Graveyard to target 1 face-down card your opponent controls; destroy that target.

Daigusto Eguls

You can Ritual Summon this card with any "Gishki" Ritual Spell Card. Once per turn: You can discard 1 "Gishki" monster to target 1 face-up card your opponent controls; shuffle that target into the Deck.

Evigishki Soul Ogre

"Gem-Knight Garnet" + 1 "Gem-Knight" monster
Must first be Fusion Summoned with the above Fusion Material Monsters. Once per turn: You can Tribute 1 face-up "Gem-" monster; this card gains ATK equal to the Tributed monster's ATK on the field, until the End Phase. If this card attacks a Defense Position monster, inflict piercing Battle Damage to your opponent.

Gem-Knight Ruby

"Gem-Knight Tourmaline" + 1 "Gem-Knight" monster
Must first be Fusion Summoned with the above Fusion Material Monsters. This card can attack twice during each Battle Phase. When this card destroys a monster by battle and sends it to the Graveyard: Inflict damage to your opponent equal to the ATK of the destroyed monster in the Graveyard.

Gem-Knight Topaz

1 Tuner + 1 or more non-Tuner FIRE monsters
 You can shuffle 2 "Laval" monsters from your Graveyard into your Main Deck to target 1 card your opponent controls; return it to the hand.

Lavalval Dragon

When this card is Tribute Summoned by Tributing 2 "Steelswarm" monsters: Activate 1 of these effects.
● Destroy all monsters on the field, except this card.
● Destroy all Spell and Trap Cards on the field.

Steelswarm Caucastag

You can Tribute Summon this card in face-up Attack Position by Tributing 1 "Steelswarm" monster. When this card is Tribute Summoned by Tributing a "Steelswarm" monster(s): You can target 1 card your opponent controls; send that target to the Graveyard and gain 1000 Life Points.

Steelswarm Girastag

1 LIGHT Tuner + 1 or more non-Tuner monsters
Equip Cards equipped to this card cannot be targeted by cards or effects. Once per turn: You can send 1 Equip Card equipped to this card to the Graveyard to target 1 monster your opponent controls; destroy that target.

Vylon Epsilon

Duel Terminal 4

1 FIRE Tuner + 1 or more non-Tuner Pyro-Type monsters
When this card is Synchro Summoned, remove from play cards from your opponent's Graveyard up to the number of cards in their hand. This card gains 200 ATK for each card removed from play by this effect.

Ancient Flamvell Deity

1 Dragon-Type Tuner + 1 or more non-Tuner Winged Beast-Type monsters
Once per turn, you can send up to 3 cards you control to the Graveyard to look at your opponent's Extra Deck and send an equal number of cards from there to the Graveyard.

Dragunity Knight - Trident

"Genex Controller" + 1 or more non-Tuner monsters
This card's effects depend on the Attribute(s) of its non-Tuner Synchro Material Monsters. Once per turn, you can discard 1 card to activate one of its effects: ● WIND: Send 1 random card from your opponent's hand to the Graveyard. ● WATER: Select 1 Spell/Trap Card on the field, and destroy it. ● DARK: Select 1 face-up LIGHT monster on the field, destroy it and draw 1 card.

Genex Ally Triarm

1 "Genex" Tuner + 1 or more non-Tuner monsters
This card's effects depend on the Attribute(s) of its non-Tuner Synchro Material Monsters. ● EARTH: If this card attacks, your opponent cannot activate Spell/Trap Cards until the end of the Damage Step. ● FIRE: If this card destroys a monster by battle, inflict damage to your opponent equal to the ATK of the destroyed monster. ● LIGHT: Once per turn, you can select 1 LIGHT monster in your Graveyard and Special Summon it in face-down Defense Position.

Genex Ally Triforce

1 "Jurrac" Tuner + 2 or more non-Tuner Dinosaur-Type monsters
When this card is Synchro Summoned, destroy all cards on the field. Then, you can Special Summon 1 Tuner monster from your Graveyard.

Jurrac Meteor

1 EARTH Tuner + 1 or more non-Tuner EARTH monsters
While this card is face-up on the field, you can send 1 Spell Card from your hand to the Graveyard to negate the activation of an Effect Monster's effect and destroy it.

Naturia Landoise

Duel Terminal 3

1 "Fabled" Tuner + 1+ non-Tuner monsters
When this card on the field is destroyed and sent to the GY: You can target up to 3 "Fabled" monsters in your GY; add them to your hand.

Fabled Leviathan

1 "Genex" Tuner + 1 or more non-Tuner DARK monsters
When this card is Synchro Summoned, take control of the face-up monster your opponent controls with the highest Level. (If it's a tie, you get to choose.)

Locomotion R-Genex

1 "Genex" Tuner + 1 or more non-Tuner WIND monsters
Your opponent cannot select this card as an attack target. If this card destroys an opponent's monster by battle, you can add 1 "Genex" monster from your Deck to your hand.

Vindikite R-Genex

Duel Terminal 2

1 Tuner + 2 or more non-Tuner monsters
This card cannot be Special Summoned except by Synchro Summon. When this card attacks a face-down Defense Position monster, destroys it by battle, and sends it to the Graveyard, draw 1 card.

Ally of Justice Field Marshal

1 "Fabled" Tuner + 1+ non-Tuner monsters
Once per turn: You can discard 1 Fiend monster; draw 1 card.

Fabled Valkyrus

1 Tuner + 1 or more non-Tuner Dinosaur-Type monsters
All face-up "Jurrac" monsters you control gain 200 ATK for each "Jurrac" monster in your Graveyard.

Jurrac Giganoto

1 Tuner + 1 or more non-Tuner "Mist Valley" monsters
Once per turn, you can select 1 card you control. Return it to the hand, and this card gains 500 ATK until the End Phase. This effect can be activated during either player's turn.

Mist Valley Thunder Lord

"Genex Controller" + 1 or more non-Tuner FIRE monsters
This card gains 200 ATK for each FIRE monster in your Graveyard. If this card destroys an opponent's monster by battle, inflict 200 damage to your opponent for each "Genex" monster in your Graveyard.

Thermal Genex

"Genex Controller" + 1 or more non-Tuner WIND monsters
This card gains 300 ATK for each face-down Spell and Trap Card on the field. You can send 1 card from your hand to the Graveyard to select and destroy 1 face-down Spell or Trap Card.

Windmill Genex

Duel Terminal 1

1 Tuner + 1 or more non-Tuner monsters
This card gains 200 ATK for each LIGHT monster in your opponent's Graveyard.

Ally of Justice Light Gazer

"Genex Controller" + 1 or more non-Tuner WATER monsters
When this card destroys an opponent's monster by battle and sends it to the Graveyard, gain Life Points equal to the ATK of the destroyed monster.

Hydro Genex

This card can be Tribute Summoned in face-up Attack Position by Tributing 1 Reptile-Type "Worm" monster. You can Tribute 1 Reptile-Type "Worm" monster to select 1 card your opponent controls, and destroy it.

Worm King

Select 1 face-up "Elemental HERO Neos" you control. Return it to the Deck and destroy all cards on the field.

Wrath of Neos

1 Tuner + 1 or more non-Tuner monsters
When this card inflicts Battle Damage to your opponent while they have 4 or more cards in their hand, place 1 random card from their hand on top of their Deck.

X-Saber Urbellum

1 Tuner + 1 or more non-Tuner monsters
When this card is Synchro Summoned, you can Special Summon 1 Level 4 or lower Warrior-Type monster from your hand.