Ancient Gear Hunting Hound (MP17-EN180)

If this card is Normal Summoned: Inflict 600 damage to your opponent. If this card attacks, your opponent cannot activate any Spell/Trap Cards until the end of the Damage Step. Once per turn: You can Fusion Summon 1 "Ancient Gear" Fusion Monster from your Extra Deck, using monsters from your hand or field as Fusion Materials.