Ancient Gear Golem [SGX1-END01] Secret Rare

Set: Speed Duel GX: Duel Academy Box Rarity: Secret Rare Attack: 3000 Defense: 3000 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.