ROTD-EN028 – Mathmech Diameter – Common – 1st Edition

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.