[ACD] Ancient Gear Chaos Giant

"Ancient Gear Hound Dog + ""Ancient Gear Double Bite Hound Dog" + "Ancient Gear Triple Bite Hound Dog" + "Ancient Gear Ultimate Hound Dog"

Cannot be targeted by, and is unaffected by, your opponent's Spell/Trap effects. This card can attack all monsters your opponent controls once each. If this card attacks, negate the effects of all monsters your opponent controls until the end of the Damage Step.