Card Rulings:Mathmech Nabla

"Mathmech Nabla":

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OCG Rulings

• This card's effect that Special Summons a "Mathmech" monster from your Deck is an Ignition Effect. (It does not target.)
• Tributing 1 Cyberse monster in your Monster Zone is the cost to activate this effect. (You can Tribute "Mathmech Nabla" itself, or you can also Tribute a face-down Defense Position Cyberse monster.)
• This card's effect that allows your Cyberse monster in the Extra Monster Zone to attack twice during the Battle Phase is a Trigger Effect that activates in the GY. (It targets 1 face-up Cyberse monster you control in the Extra Monster Zone, and can be activated during the Damage Step.)
• This effect cannot be activated if "Mathmech Nabla" is sent to the GY during your Main Phase 2 or End Phase.