Mathmech Diameter
EffectTuner Monster· LIGHT· Cyberse· ★ Level 4
ATK
1000
DEF
1500
When this card is Normal Summoned: You can target 1 Level 4 Cyberse monster in your GY; Special Summon it, but it cannot activate its effects. A "Mathmech" monster that was Synchro or Xyz Summoned using this card on the field as material gains the following effect.
● Once per turn, during the turn this card was Special Summoned, when your opponent activates a card or effect (Quick Effect): You can negate that effect.
You can only use each effect of "Mathmech Diameter" once per turn.
Archetype: Mathmech (16 cards)
Market value
Cheapest printing
$2.06ROTD-EN028
USD, updated 15 October 2026. One price per printing, 1st Edition and Unlimited together.
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Price history
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All printings (1)
| Set | Code | Rarity | Released | Price |
|---|---|---|---|---|
| Rise of the Duelist | ROTD-EN028 | Common | 6 August 2020 | $2.06 |