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Firewall Mathmech

Worlds · Mathmech · Tournament Meta Decks Worlds · 2023-08-29 · Source

Featured card

Mathmech Addition

One of the most-played Mathmech cards this deck runs.

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4 rule violations
Judge by
EdisonGoatOCGTCGNo banlist
  • 3 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)
  • Splash Mage is Forbidden
  • Called by the Grave is Forbidden

Checked against the OCG Forbidden & Limited list as of 22 September 2026, with the sizes and copy limits of a Worlds deck.

Buy this deck — all 40 cards70 copies · about $33.66, main, extra and side deck
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Decklist

ListVisual
41 cards

Main Deck

40 cards

Extra Deck

15 cards

Side Deck

15 cards · not counted toward completion