Firewall Mathmech
TCG · Mathmech · Tournament Meta Decks · 2023-08-30 · Source
Featured card
Primathmech Alembertian
One of the most-played Mathmech cards this deck runs.
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- Crossout Designator is Forbidden
- 2 copies of Droll & Lock Bird, which is Limited (at most 1)
- Triple Tactics Talent is Forbidden
- Anti-Spell Fragrance is Forbidden
- Splash Mage 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 42 cards71 copies · about $60.02, main, extra and side deck
Main Deck
41 cards| Card | Type | In deck | Each |
|---|---|---|---|
| Tuner | ×2 | $0.40 | |
 Droll & Lock Bird Limited | Effect | ×2 | $0.30 |
| Tuner | ×2 | $0.27 | |
| Effect | ×3 | $9.54 | |
| Effect | ×1 | $0.31 | |
| Tuner | ×1 | $0.24 | |
| Tuner | ×2 | $0.65 | |
| Effect | ×1 | $6.92 | |
| Effect | ×2 | $0.19 | |
 Mathmech Circular Limited | Effect | ×1 | $0.25 |
| Tuner | ×2 | $0.33 | |
| Tuner | ×2 | $0.27 | |
| Effect | ×2 | $0.76 | |
| Effect | ×2 | $0.23 | |
| Effect | ×3 | $0.41 | |
| Effect | ×1 | $1.54 | |
 Crossout Designator Forbidden | Spell | ×1 | $0.26 |
| Spell | ×3 | $0.18 | |
 Harpie's Feather Duster Limited | Spell | ×1 | $0.93 |
| Spell | ×1 | $0.16 | |
| Spell | ×3 | $0.19 | |
 Triple Tactics Talent Forbidden | Spell | ×2 | $0.29 |
| Trap | ×1 | $0.17 |
Extra Deck
15 cards| Card | Type | In deck | Each |
|---|---|---|---|
| Link | ×1 | $0.23 | |
| Fusion | ×1 | $0.15 | |
| Link | ×1 | $0.15 | |
| Link | ×1 | $1.40 | |
| Link | ×1 | $0.21 | |
| Synchro | ×1 | $0.18 | |
| Link | ×1 | $0.12 | |
| Xyz | ×2 | $0.49 | |
| Xyz | ×1 | $0.24 | |
| Link | ×1 | $0.15 | |
 Splash Mage Forbidden | Link | ×2 | $0.10 |
| Link | ×1 | $0.42 | |
| Link | ×1 | $0.10 |
Side Deck
15 cards · not counted toward completion| Card | Type | In deck | Each |
|---|---|---|---|
| Effect | ×3 | $0.75 | |
| Effect | ×1 | $0.24 | |
| Effect | ×1 | $1.54 | |
| Spell | ×3 | $0.20 | |
 Anti-Spell Fragrance Forbidden | Trap | ×2 | $0.14 |
| Trap | ×3 | $0.14 | |
| Trap | ×2 | $0.52 |
