Firewall Deck Breakdown

EARTH 3

If a Cyberse monster you control would be used as Link Material for a "Code Talker" monster, this card in your hand can also be used as material. If this card is sent from the hand or field to the GY as material for the Link Summon of a "Code Talker" monster: You can send 1 Cyberse monster with 1200 or less ATK from your Deck to the GY, or, if this card on the field was used as material, you can add that card to your hand instead. You can only use each effect of "Code Generator" once per turn.

FIRE 3

If you control a Link Monster: You can Special Summon this card from your hand. During your Main Phase: You can activate this effect; once this turn, if you Link Summon a "Salamangreat" Link Monster, you can use 1 "Salamangreat" Link Monster you control with its same name as the entire material. During your opponent's Main Phase (Quick Effect): You can banish this card from your GY; immediately after this effect resolves, Link Summon 1 Link-3 or higher Cyberse Link Monster. You can only use each effect of "Code of Soul" once per turn.

WATER 4

If a Cyberse monster you control would be used as Link Material for a "Code Talker" monster, this card in your hand can also be used as material. If this card is sent from the hand or field to the GY as material for the Link Summon of a "Code Talker" monster: You can target 1 face-up monster your opponent controls; change its ATK 0, also negate its effects. If this card on the field was used as material, you can target 2 monsters, instead. You can only use each effect of "Code Radiator" once per turn.

EARTH 1

If this card is sent to the GY: You can Special Summon this card. If this card is banished: You can Special Summon this card. You can only use 1 "Dotscaper" effect per turn, and only once that turn. You can only use each effect of "Dotscaper" once per Duel.

DARK 4

If this card is sent to the GY as material for the Link Summon of a Cyberse monster: You can Special Summon 1 "Firewall" monster from your Deck, except "Firewall Defenser". You cannot Special Summon monsters the turn you activate this effect, except Cyberse monsters. If a "Firewall" monster(s) you control would be destroyed by card effect, you can banish this card from your GY instead. You can only use each effect of "Firewall Defenser" once per turn.

DARK 5

If this card is sent to the GY as material for the Link Summon of a Cyberse monster: You can add 1 "Cynet" Spell/Trap from your Deck to your hand, then discard 1 card. You can banish this card from your GY; during the End Phase of this turn, shuffle 1 Cyberse monster from your GY into the Deck. You can only use each effect of "Firewall Phantom" once per turn.

EARTH 6

If this card is in your hand: You can discard 1 other Cyberse monster; reduce this card's Level by 2 until the end of this turn (even after it is Summoned/Set). You can Tribute this card; Special Summon 3 "G Golem Tokens" (Cyberse/EARTH/Level 1/ATK 0/DEF 0) in Defense Position, also you cannot Special Summon monsters for the rest of this turn, except Cyberse monsters. You can only use each effect of "G Golem Rock Hammer" once per turn.

LIGHT 4

If this card is Normal or Special Summoned: You can add 1 Level 3 or lower Cyberse monster from your Deck to your hand. You can only use this effect of "Lady Debug" once per turn.

LIGHT 4

You can send 1 "Mathmech" monster, except "Mathmech Circular", from your Deck to your GY; Special Summon this card from your hand, also you can only attack with 1 monster for the rest of this turn. If a "Mathmech" monster is Normal or Special Summoned to your field while you control this monster (except during the Damage Step): You can add 1 "Mathmech" Spell/Trap from your Deck to your hand. You can only use each effect of "Mathmech Circular" once per turn.

DARK 1

If a Cyberse monster you control would be used as Link Material for a "Code Talker" monster, this card in your hand can also be used as material. If this card is sent from the hand or field to the GY as material for the Link Summon of a "Code Talker" monster: You can either add 1 "Cynet" Spell/Trap from your Deck to your hand, or, if this card on the field was used as material, you can add 1 Level 4 Cyberse monster instead. You can only use each effect of "Micro Coder" once per turn.

WIND 8

If this card is Special Summoned by the effect of "Parallel eXceed", its Level becomes 4 and its original ATK/DEF become halved. You can only use each of the following effects of "Parallel eXceed" once per turn. ● If you Link Summon: You can Special Summon this card from your hand to your zone that Link Monster points to. ● If this card is Normal or Special Summoned: You can Special Summon 1 "Parallel eXceed" from your Deck.

DARK 1

You can Special Summon this card (from your hand) to your zone a Cyberse Link Monster points to. You can only Special Summon "Template Skipper" once per turn this way. During your Main Phase: You can banish 1 Cyberse monster from your hand or GY, and if you do, this card's name can be treated as the banished monster's, if used as Link Material this turn. You can only use this effect of "Template Skipper" once per turn.

DARK 4

If you control a Cyberse monster that was Special Summoned from the Extra Deck: You can target 1 DARK Cyberse monster in your GY; Special Summon both this card in your hand and that monster, in Defense Position, also you cannot Special Summon for the rest of this turn, except Cyberse monsters. You can banish this card from your field or GY, then target 1 monster your opponent controls; change its battle position. You can only use each effect of "Wizard @Ignister" once per turn.

DARK 6

1 Cyberse Ritual, Fusion, Synchro, Xyz, or Link Monster + 1 Cyberse monster During your Main Phase: You can Special Summon 1 Cyberse monster from your hand, then you can make this card's Level become the same as that monster. When your opponent activates a Spell/Trap Card or effect, while you control a Link-4 or higher Cyberse monster (Quick Effect): You can banish this card from your field or GY; negate that activation. You can only use each effect of "Cyberse Desavewurm" once per turn.

DARK

3+ Effect Monsters If this card is Link Summoned: You can Special Summon as many Cyberse monsters with 2300 ATK from your GY as possible to your zones this card points to, and if you do, this card gains 500 ATK for each, also you cannot Special Summon for the rest of this turn. When your opponent activates a card or effect (Quick Effect): You can Tribute 1 of your Link Monsters this card points to; negate the activation, and if you do, banish that card. You can only use this effect of "Allied Code Talker @Ignister" once per turn.

LIGHT

2 Cyberse monsters If this card is Link Summoned: You can Special Summon 1 Cyberse monster from your hand to your zone this card points to. You can only use this effect of "Code Talker Inverted" once per turn.

FIRE

2+ Cyberse monsters with different Attributes Gains 500 ATK for each monster it points to. (Quick Effect): You can pay 1000 LP; draw 1 card, then if your LP are 2000 or less, you can banish this card from the field, and if you do, Special Summon 1 Link-3 or lower Cyberse monster from your Extra Deck, except "Decode Talker Heatsoul". You can only use this effect of "Decode Talker Heatsoul" once per turn.

DARK

3+ Cyberse monsters Negate any monster effects activated by your opponent during the Battle Phase. (Quick Effect): You can send 1 Cyberse monster from your Deck or Extra Deck to the GY, and if you do, this card gains the Attribute of that monster sent to the GY, also it gains 2500 ATK. You can only use this effect of "Firewall Dragon Darkfluid - Neo Tempest Terahertz" once per turn. This card can attack monsters a number of times each Battle Phase, up to the number of different Attributes it has.

DARK

3+ Effect Monsters (Quick Effect): You can target cards your opponent controls or in their GY up to the number of different card types (Ritual, Fusion, Synchro, Xyz) you control and in your GY; return them to the hand, also this card gains 500 ATK for each returned card. If a monster this card points to is destroyed by battle, or sent to the GY: You can target 1 Cyberse monster in your GY; Special Summon it. You can only use each effect of "Firewall Dragon Singularity" once per turn.

WATER

2 Cyberse monsters You can target 1 EARTH Link Monster in your GY; Special Summon it to your zone this card points to, and if you do, place 1 GG Counter on this card. You can only use this effect of "G Golem Crystal Heart" once per turn. EARTH monsters co-linked to this card gain 600 ATK for each GG Counter on this card, can make a second attack during each Battle Phase, also if they attack a Defense Position monster, inflict piercing battle damage to your opponent.

DARK

1 Level 4 or lower Cyberse monster When your opponent activates a Trap Card (Quick Effect): You can Tribute this card; negate that card's effect, and if you do, banish it. If this card is in your GY (Quick Effect): You can Tribute 1 "@Ignister" monster that was Summoned from the Extra Deck; Special Summon this card. You can only use each effect of "Linguriboh" once per turn.

LIGHT

1 Level 4 or lower Cyberse monster You can Tribute 1 monster this card points to; draw 1 card, then place 1 card from your hand on the bottom of the Deck. You can only use this effect of "Link Disciple" once per turn.

DARK

2+ Effect Monsters Your opponent cannot target Link-4 or higher monsters you control with card effects, also they cannot be destroyed by battle. If you control a "Firewall" Link Monster (Quick Effect): You can banish Link Monsters from your GY whose combined Link Ratings equal exactly 3; Special Summon this card from your GY, but banish it when it leaves the field. You can only use this effect of "Protectcode Talker" once per turn.

WATER

2 Cyberse monsters You can target 1 Cyberse monster in your GY; Special Summon it in Defense Position, but negate its effects, also you cannot Special Summon monsters for the rest of this turn, except Cyberse monsters. You can only use this effect of "Splash Mage" once per turn.

EARTH

2+ Effect Monsters While this card is co-linked, it and its co-linked monsters gain 500 ATK, also your opponent cannot target any of them with card effects. You can target 1 Link-3 or lower Cyberse Link Monster in your GY, except "Transcode Talker"; Special Summon it to your zone this card points to. You cannot Special Summon monsters the turn you activate this effect, except Cyberse monsters. You can only use this effect of "Transcode Talker" once per turn.

FIRE 3

When a card or effect is activated that includes any of these effects (Quick Effect): You can discard this card; negate that effect. ● Add a card from the Deck to the hand. ● Special Summon from the Deck. ● Send a card from the Deck to the GY. You can only use this effect of "Ash Blossom & Joyous Spring" once per turn.

DARK 3

If you control a Cyberse monster that was Special Summoned from the Extra Deck: You can Special Summon this card from your hand. If this card is Normal or Special Summoned: You can add 1 DARK Cyberse monster from your Deck to your hand, except "Backup @Ignister", then discard 1 card. You can only use each effect of "Backup @Ignister" once per turn.

LIGHT 4

When this card is Normal Summoned: You can target 1 Level 4 Cyberse monster in your GY; Special Summon it, but it cannot activate its effects. A "Mathmech" monster that was Synchro or Xyz Summoned using this card on the field as material gains the following effect. ● Once per turn, during the turn this card was Special Summoned, when your opponent activates a card or effect (Quick Effect): You can negate that effect. You can only use each effect of "Mathmech Diameter" once per turn.

LIGHT 4

If you control no monsters in the Extra Monster Zone, while this card is in your hand or GY: You can Special Summon this card, but banish it when it leaves the field, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Cyberse monsters. You can only use this effect of "Mathmech Sigma" once per turn. If this card you control is used as Synchro Material for a "Mathmech" monster, you can treat it as a non-Tuner.

DARK

2+ Level 9 monsters If this card is Xyz Summoned: You can send 1 monster from your Extra Deck to the GY. You can target monsters in your GY, up to the number of materials this card has; detach materials from this card equal to the number of those targets in the GY, and if you do, attach those targets to this card as material. If this card is sent to the GY: You can target 1 face-up card on the field; negate its effects until the end of this turn. You can only use each effect of "Mereologic Aggregator" once per turn.

EARTH

2+ Level 4 monsters You can Tribute 1 monster; Special Summon 1 Level 4 "Mathmech" monster from your hand or GY. If this card is Xyz Summoned: You can detach 2 to 4 materials from this card, then activate the appropriate effect; ● 2: Add 1 "Mathmech" card from your Deck to your hand. ● 3: Add 1 Level 4 monster from your Deck to your hand. ● 4: Add 1 Spell/Trap from your Deck to your hand. You can only use each effect of "Primathmech Alembertian" once per turn.

EARTH

3 Level 4 monsters If a "Mathmech" card(s) you control would be destroyed by card effect, you can detach 1 material from this card instead. If this card is Xyz Summoned: You can detach up to 3 materials from it, then choose that many effects (you cannot choose the same effect twice, and you resolve them in the listed order, skipping any that were not chosen); ● Send 1 random card from your opponent's hand to the GY. ● Send 1 monster your opponent controls to the GY. ● Send 1 Spell/Trap your opponent controls to the GY. You can only use this effect of "Primathmech Laplacian" once per turn.

Spell Quick

Target 1 monster in your opponent's GY; banish it, and if you do, until the end of the next turn, its effects are negated, as well as the activated effects and effects on the field of monsters with the same original name.

Spell Continuous

If a "Code Talker" monster(s) is Special Summoned from the Extra Deck to your field (except during the Damage Step): You can target 1 of those monsters; add 1 Cyberse monster with the same Attribute from your Deck to your hand, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Cyberse monsters (even if this card leaves the field). You cannot add other monsters with that same Attribute to your hand by the effect of "Cynet Codec" this turn, and you can only activate the effect of "Cynet Codec" once per Chain.

Spell Normal

Send 1 card from your hand to the GY; add 1 Level 4 or lower Cyberse monster from your Deck to your hand. You can only activate 1 "Cynet Mining" per turn.

Spell Continuous

If your "Code Talker" monster battles, your opponent cannot activate cards or effects until the end of the Damage Step. During your Main Phase, you can: Immediately after this effect resolves, Normal Summon 1 Cyberse monster, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Cyberse monsters (even if this card leaves the field). You can only use this effect of "Cynet Optimization" once per turn.

Trap Counter

When a Spell/Trap Card, or monster effect, is activated while you control a "Code Talker" monster: Negate the activation, and if you do, banish that card, and if you do, your opponent cannot activate cards, or effects of cards, with the same original name as that card that was banished, until the end of the next turn. You can only activate 1 "Cynet Conflict" per turn.

Trap Normal

Target 1 face-up monster your opponent controls; negate its effects (until the end of this turn), then, if this card was Set before activation and is on the field at resolution, for the rest of this turn all other Spell/Trap effects in this column are negated. If you control no cards, you can activate this card from your hand.

Trap Normal

Target up to 3 "Mathmech" monsters in your GY with different names, then activate 1 of these effects; ● Special Summon them, but their effects are negated, then, immediately after this effect resolves, Synchro Summon 1 "Mathmech" Synchro Monster using only those monsters, and shuffle the materials into the Deck instead of sending them to the GY. ● Special Summon them, but their effects are negated, then, immediately after this effect resolves, Xyz Summon 1 "Mathmech" Xyz Monster using only those monsters. You can only activate 1 "Mathmech Superfactorial" per turn.

Trap Continuous

Each player can only control 1 Type of monster. Send all other face-up monsters they control to the GY.