Deckhand
PricingSign in

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.

Sign in to see how close you are to building this deck.

Deck Search works without an account — it asks about the corpus, not about what you own.

  • 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
Export this deck:as textas .ydk
Playtest

Decklist

40 cards

Main Deck

40 cards
CardTypeIn deckEach
Tuner×3$0.40
Effect×1$0.20
Tuner×3$0.27
Effect×3$9.54
Effect×1$0.31
Tuner×3$0.84
Effect×2$0.19
Effect×1$0.25
Tuner×3$0.33
Tuner×1$0.27
Effect×2$0.76
Effect×3$0.23
Effect×3$0.41
Spell×3$0.18
Spell×1$0.16
Spell×3$0.19
Trap×3$0.45
Trap×1$0.17

Extra Deck

15 cards
CardTypeIn deckEach
Link×1$0.23
Fusion×1$0.15
Link×1$0.15
Link×1$1.40
Link×1$0.21
Link×1$0.12
Link×1$0.20
Link×1$0.27
Xyz×1$0.24
Xyz×1$0.49
Xyz×1$0.24
Link×1$0.15
Splash Mage Forbidden
Link×1$0.10
Link×1$0.42
Link×1$0.10

Side Deck

15 cards · not counted toward completion
CardTypeIn deckEach
Effect×1$0.23
Spell×3$0.19
Spell×3$0.03
Spell×1$0.93
Spell×3$0.16
Trap×1$0.19
Trap×3$0.18