Spoiler warning. This page gives away the puzzle from 24 September 2025. If you have not played it yet, try it first – five guesses, and it is still there.
An ancient machine that prevents spell/trap activation during attacks.
Type: Effect Monster
Set: Battle Pack 2: War of the Giants
CardMarket price: 0.16$
Text: Cannot be Special Summoned. If this card attacks, your opponent cannot activate any Spell/Trap Cards until the end of the Damage Step. If this card attacks a Defense Position monster, inflict piercing battle damage.