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Mathmech Crystal Beast

TCG · Crystal Beast · Tournament Meta Decks · 2023-08-30 · Source

Featured card

Crystal Beast Ruby Carbuncle

One of the most-played Crystal Beast cards this deck runs.

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  • Abyss Dweller is Forbidden
  • 3 copies of Dimensional Barrier, which is Limited (at most 1)
  • 3 copies of There Can Be Only One, which is Limited (at most 1)
  • Apollousa, Bow of the Goddess is Forbidden
  • Number 41: Bagooska the Terribly Tired Tapir is Forbidden
  • the deck costs 1053 points, and Genesys allows 100

Checked against the OCG Forbidden & Limited list as of 8 November 2026, with the sizes and copy limits of a TCG deck.

1053 of 100 points, against the Genesys points list as of 15 October 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 $25.76, main, extra and side deck
Export this deck:as textas .ydk
Playtest

Decklist

43 cards

Main Deck

40 cards
CardTypeIn deckEach
Effect×2$0.09
Effect×2$0.15
Effect×1$0.10
Effect×3$0.11
Effect×1$0.19
Effect×1$0.25
Mathmech Sigma5 pts each
Tuner×1$0.27
Effect×3$0.23
Effect×1$0.10
Spell×3$0.16
Spell×3$0.15
Foolish Burial Goods Semi-Limited11 pts each
Spell×2$0.38
Spell×1$0.16
Necrovalley10 pts each
Spell×1$0.58
Spell×3$0.11
Spell×3$0.16
Spell×2$0.29
Trap×2$0.09
Trap×1$0.22
Trap×1$0.68
There Can Be Only One Limited100 pts each
Trap×3$0.10

Extra Deck

15 cards
CardTypeIn deckEach
Abyss Dweller Forbidden100 pts each
Xyz×1$0.12
Link×1$0.23
Link×1$0.23
Xyz×1$0.36
Link×1$0.17
Link×1$0.19
Link×1$0.16
Xyz×1$0.09
Xyz×1$2.50
Link×1$0.10
Link×1$0.24
Xyz×1$0.22
Xyz×1$0.19
Xyz×1$0.49
Xyz×1$0.15

Side Deck

15 cards · not counted toward completion
CardTypeIn deckEach
Effect×3$0.99
Effect×1$0.10
Book of Eclipse4 pts each
Spell×3$0.24
Harpie's Feather Duster Limited7 pts each
Spell×1$0.93
Spell×1$0.25
Dimensional Barrier Limited100 pts each
Trap×3$0.18
Evenly Matched7 pts each
Trap×3$2.40