Mathmech Firewall
TCG · Mathmech · Meta Decks · 2024-08-29 · Source
Featured card
Mathmech Addition
One of the most-played Mathmech cards this deck runs.
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- 3 copies of Dimensional Barrier, which is Limited (at most 1)
- 3 copies of Crossout Designator, which is Limited (at most 1)
- 3 copies of Droll & Lock Bird, which is Limited (at most 1)
- 3 copies of Ash Blossom & Joyous Spring, which is Semi-Limited (at most 2)
- Splash Mage is Forbidden
Checked against the OCG Forbidden & Limited list as of 8 November 2026, with the sizes and copy limits of a TCG deck.
Not checked: the TCG card pool (a card released only in the OCG).
Buy this deck — all 40 cards70 copies · about $48.66, main, extra and side deck
Main Deck
40 cards
Ash Blossom & Joyous Spring, copy 1 of 3. Semi-Limited on the OCG Forbidden & Limited list — this deck holds more than the 2 allowed- Ash Blossom & Joyous Spring, copy 2 of 3. Semi-Limited on the OCG Forbidden & Limited list — this deck holds more than the 2 allowed
- Ash Blossom & Joyous Spring, copy 3 of 3. Semi-Limited on the OCG Forbidden & Limited list — this deck holds more than the 2 allowed
Droll & Lock Bird, copy 1 of 2. Limited on the OCG Forbidden & Limited list — this deck holds more than the 1 allowed- Droll & Lock Bird, copy 2 of 2. Limited on the OCG Forbidden & Limited list — this deck holds more than the 1 allowed
Effect Veiler, copy 1 of 3- Effect Veiler, copy 2 of 3
- Effect Veiler, copy 3 of 3
Firewall Defenser, copy 1 of 3- Firewall Defenser, copy 2 of 3
- Firewall Defenser, copy 3 of 3
Firewall Guardian
Mathmech Addition
Mathmech Circular
Mathmech Diameter, copy 1 of 3- Mathmech Diameter, copy 2 of 3
- Mathmech Diameter, copy 3 of 3
Mathmech Nabla
Mathmech Sigma
Mathmech Subtraction, copy 1 of 2- Mathmech Subtraction, copy 2 of 2
Nibiru, the Primal Being, copy 1 of 2- Nibiru, the Primal Being, copy 2 of 2
Parallel eXceed, copy 1 of 3- Parallel eXceed, copy 2 of 3
- Parallel eXceed, copy 3 of 3
Crossout Designator, copy 1 of 3. Limited on the OCG Forbidden & Limited list — this deck holds more than the 1 allowed- Crossout Designator, copy 2 of 3. Limited on the OCG Forbidden & Limited list — this deck holds more than the 1 allowed
- Crossout Designator, copy 3 of 3. Limited on the OCG Forbidden & Limited list — this deck holds more than the 1 allowed
Cynet Mining, copy 1 of 3- Cynet Mining, copy 2 of 3
- Cynet Mining, copy 3 of 3
Mathmech Equation
Salamangreat Sanctuary
Small World, copy 1 of 3- Small World, copy 2 of 3
- Small World, copy 3 of 3
Triple Tactics Talent, copy 1 of 2- Triple Tactics Talent, copy 2 of 2
Mathmech Superfactorial
Extra Deck
15 cards
Cyberse Desavewurm
Decode Talker Heatsoul
Firewall Dragon
Firewall Dragon Darkfluid - Neo Tempest Terahertz
Firewall Dragon Singularity
G Golem Crystal Heart
Linguriboh
Link Decoder
Mereologic Aggregator
Primathmech Alembertian
Primathmech Laplacian
Salamangreat Balelynx
Splash Mage. Forbidden on the OCG Forbidden & Limited list
Transcode Talker
Update Jammer
Side Deck
15 cards · not counted toward completion- Droll & Lock Bird. Limited on the OCG Forbidden & Limited list — this deck holds more than the 1 allowed
- Nibiru, the Primal Being
Book of Eclipse, copy 1 of 2- Book of Eclipse, copy 2 of 2
Cosmic Cyclone, copy 1 of 3- Cosmic Cyclone, copy 2 of 3
- Cosmic Cyclone, copy 3 of 3
Dark Ruler No More, copy 1 of 3- Dark Ruler No More, copy 2 of 3
- Dark Ruler No More, copy 3 of 3
Lightning Storm, copy 1 of 2- Lightning Storm, copy 2 of 2
Dimensional Barrier, copy 1 of 3. Limited on the OCG Forbidden & Limited list — this deck holds more than the 1 allowed- Dimensional Barrier, copy 2 of 3. Limited on the OCG Forbidden & Limited list — this deck holds more than the 1 allowed
- Dimensional Barrier, copy 3 of 3. Limited on the OCG Forbidden & Limited list — this deck holds more than the 1 allowed