Firewall Mathmech
TCG · Mathmech · Tournament Meta Decks · 2024-08-29 · Source
Featured card
Mathmech Addition
One of the most-played Mathmech cards this deck runs.
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- Link Decoder is Forbidden
- 3 copies of Droll & Lock Bird, which is Limited (at most 1)
- Splash Mage is Forbidden
- Called by the Grave is Forbidden
Checked against the TCG Forbidden & Limited list as of 8 November 2026.
Not checked: the TCG card pool (a card released only in the OCG).
Buy this deck — all 40 cards70 copies · about $51.00, main, extra and side deck
Main Deck
40 cards
Ash Blossom & Joyous Spring, copy 1 of 3- Ash Blossom & Joyous Spring, copy 2 of 3
- Ash Blossom & Joyous Spring, copy 3 of 3
Effect Veiler, copy 1 of 2- Effect Veiler, copy 2 of 2
Firewall Defenser, copy 1 of 3- Firewall Defenser, copy 2 of 3
- Firewall Defenser, copy 3 of 3
Firewall Guardian
Ghost Mourner & Moonlit Chill
Mathmech Addition, copy 1 of 2- Mathmech Addition, copy 2 of 2
Mathmech Circular. Limited on the TCG Forbidden & Limited list
Mathmech Diameter, copy 1 of 2- Mathmech Diameter, copy 2 of 2
Mathmech Sigma, copy 1 of 2- Mathmech Sigma, copy 2 of 2
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
Book of Moon, copy 1 of 3- Book of Moon, copy 2 of 3
- Book of Moon, copy 3 of 3
Called by the Grave. Forbidden on the TCG Forbidden & Limited list
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
Linguriboh
Link Decoder. Forbidden on the TCG Forbidden & Limited list
Mereologic Aggregator
Primathmech Alembertian, copy 1 of 2- Primathmech Alembertian, copy 2 of 2
Primathmech Laplacian
Salamangreat Almiraj
Splash Mage, copy 1 of 2. Forbidden on the TCG Forbidden & Limited list- Splash Mage, copy 2 of 2. Forbidden on the TCG Forbidden & Limited list
Transcode Talker
Update Jammer
Side Deck
15 cards · not counted toward completion
Archfiend Eccentrick
Droll & Lock Bird, copy 1 of 3. Limited on the TCG Forbidden & Limited list — this deck holds more than the 1 allowed- Droll & Lock Bird, copy 2 of 3. Limited on the TCG Forbidden & Limited list — this deck holds more than the 1 allowed
- Droll & Lock Bird, copy 3 of 3. Limited on the TCG Forbidden & Limited list — this deck holds more than the 1 allowed
Ghost Belle & Haunted Mansion, copy 1 of 2- Ghost Belle & Haunted Mansion, copy 2 of 2
Santa Claws
Harpie's Feather Duster. Limited on the TCG Forbidden & Limited list
Lightning Storm, copy 1 of 2- Lightning Storm, copy 2 of 2
Destructive Daruma Karma Cannon, copy 1 of 2- Destructive Daruma Karma Cannon, copy 2 of 2
Solemn Strike, copy 1 of 3- Solemn Strike, copy 2 of 3
- Solemn Strike, copy 3 of 3