Firewall Mathmech
TCG · Mathmech · Tournament Meta Decks · 2024-08-29 · Source

Featured card
Primathmech Laplacian
One of the most-played Mathmech cards this deck runs.
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- 2 copies of Dimensional Barrier, which is Limited (at most 1)
- 2 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)
- 2 copies of Anti-Spell Fragrance, which is Limited (at most 1)
- Splash Mage is Forbidden
- Called by the Grave is Forbidden
- Number 41: Bagooska the Terribly Tired Tapir 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 42 cards70 copies · about $49.15, 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
D.D. Crow, copy 1 of 2
D.D. Crow, copy 2 of 2
Effect Veiler, copy 1 of 2
Effect Veiler, copy 2 of 2
Firewall Defenser, copy 1 of 2
Firewall Defenser, copy 2 of 2
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 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
Sakitama
Santa Claws
Called by the Grave. Forbidden on the OCG 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
Triple Tactics Talent
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
Number 41: Bagooska the Terribly Tired Tapir. Forbidden on the OCG Forbidden & Limited list
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 OCG Forbidden & Limited list
Splash Mage, copy 2 of 2. Forbidden on the OCG Forbidden & Limited list
Transcode Talker
Update Jammer
Side Deck
15 cards · not counted toward completion
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
Ghost Belle & Haunted Mansion, copy 1 of 2
Ghost Belle & Haunted Mansion, copy 2 of 2
Cosmic Cyclone, copy 1 of 2
Cosmic Cyclone, copy 2 of 2
Harpie's Feather Duster. Limited on the OCG Forbidden & Limited list
Anti-Spell Fragrance, copy 1 of 2. Limited on the OCG Forbidden & Limited list — this deck holds more than the 1 allowed
Anti-Spell Fragrance, copy 2 of 2. Limited on the OCG Forbidden & Limited list — this deck holds more than the 1 allowed
Dimensional Barrier, copy 1 of 2. Limited on the OCG Forbidden & Limited list — this deck holds more than the 1 allowed
Dimensional Barrier, copy 2 of 2. Limited on the OCG Forbidden & Limited list — this deck holds more than the 1 allowed
Evenly Matched, copy 1 of 3
Evenly Matched, copy 2 of 3
Evenly Matched, copy 3 of 3
Grave of the Super Ancient Organism
