Firewall Mathmech
TCG · Mathmech · Tournament Meta Decks · 2024-08-29 · Source
Featured card
Primathmech Alembertian
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 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 $49.28, 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
Dogoran, the Mad Flame Kaiju
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
Ghost Belle & Haunted Mansion, copy 1 of 3- Ghost Belle & Haunted Mansion, copy 2 of 3
- Ghost Belle & Haunted Mansion, copy 3 of 3
Mathmech Addition, copy 1 of 2- Mathmech Addition, copy 2 of 2
Mathmech Circular
Mathmech Diameter, copy 1 of 3- Mathmech Diameter, copy 2 of 3
- Mathmech Diameter, copy 3 of 3
Mathmech Sigma
Mathmech Subtraction, copy 1 of 2- Mathmech Subtraction, copy 2 of 2
Nibiru, the Primal Being, copy 1 of 3- Nibiru, the Primal Being, copy 2 of 3
- Nibiru, the Primal Being, copy 3 of 3
Parallel eXceed, copy 1 of 3- Parallel eXceed, copy 2 of 3
- Parallel eXceed, copy 3 of 3
Cynet Mining, copy 1 of 3- Cynet Mining, copy 2 of 3
- Cynet Mining, copy 3 of 3
Mathmech Equation
Small World, copy 1 of 3- Small World, copy 2 of 3
- Small World, copy 3 of 3
Infinite Impermanence, copy 1 of 3- Infinite Impermanence, copy 2 of 3
- Infinite Impermanence, copy 3 of 3
Mathmech Superfactorial
Extra Deck
15 cards
Accesscode Talker
Cyberse Desavewurm
Decode Talker Heatsoul
Firewall Dragon Darkfluid - Neo Tempest Terahertz
G Golem Crystal Heart
Linguriboh
Link Decoder
Link Spider
Mereologic Aggregator
Primathmech Alembertian
Primathmech Laplacian
Salamangreat Almiraj
Splash Mage. Forbidden on the OCG Forbidden & Limited list
Transcode Talker
Update Jammer
Side Deck
15 cards · not counted toward completion
Micro Coder
Dark Ruler No More, copy 1 of 3- Dark Ruler No More, copy 2 of 3
- Dark Ruler No More, copy 3 of 3
Deck Lockdown, copy 1 of 3- Deck Lockdown, copy 2 of 3
- Deck Lockdown, copy 3 of 3
Harpie's Feather Duster. Limited on the OCG Forbidden & Limited list
Herald of the Abyss, copy 1 of 3- Herald of the Abyss, copy 2 of 3
- Herald of the Abyss, copy 3 of 3
Cynet Conflict
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