Ancient Gear Golem + 2 Ancient Gear monsters
Must be Fusion Summoned. If this card attacks a Defense Position monster, inflict piercing battle damage. If this card attacks, your opponent cannot activate Spell Trap Cards until the end of the Damage Step. If this card is destroyed: You can target 1 Ancient Gear Golem in your GY; Special Summon it, ignoring its Summoning conditions.