Regirock (SM74) (Staff Prerelease Promo) [Sun & Moon: Black Star Promos] Power of the Duelist then shuffle cards your opponent

then shuffle cards your opponent controls into the Deck

but change its ATK/DEF to 0

If this card attacks an opponent's monster

Set: Starstrike Blast Card type: Effect Monster Rarity: Rare Attack: 700 Defense: 100 This card can attack twice during each Battle Phase

Set: Shonen Jump Championship Series Prize Cards Card type: Effect Monster Rarity: Ultra Rare Attack: 1900 Defense: 1800 This card cannot be Special Summoned

Regirock (SM74) (Staff Prerelease Promo) [Sun & Moon: Black Star Promos] Power of the Duelist then shuffle cards your opponentSet: Sun & Moon: Black Star Promos Type: Fighting Rarity: Promo Retreat cost: Colorless,Colorless. Colorless