Ancient Gear Reactor Dragon

If this card that was Tribute Summoned by Tributing an "Ancient Gear" monster attacks a Defense Position monster, inflict piercing battle damage. If this card was Tribute Summoned by Tributing a "Gadget" monster, it can make a second attack during each Battle Phase. If this card attacks, your opponent cannot activate Spell/Trap Cards and monster effects until the end of the Damage Step. At the end of the Damage Step, if this card attacked: You can destroy 1 Spell/Trap on the field.