Mirror Force [YS14-ENA12] Common Primal Origin Set: Duelist Alliance: Deluxe Edition

Set: Duelist Alliance: Deluxe Edition Card type: Effect Monster Rarity: Ultra Rare Attack: 800 Defense: 800 After you Normal Summon this card

Set: Structure Deck: Seto Kaiba Card type: Normal Monster Rarity: Common Attack: 3000 Defense: 2500 This legendary dragon is a powerful engine of destruction

You can only use this effect of "Artifact Mjolnir" once per turn

by using it as the Xyz Material

Mirror Force [YS14-ENA12] Common Primal Origin Set: Duelist Alliance: Deluxe EditionSet: Super Starter: Space Time Showdown Power Up Pack Card type: Normal Trap Rarity: Common When an opponent's monster declares an attack: Destroy all Attack Position monsters your opponent controls.