Superdimensional Robot Galaxy Destroyer (UTR) [REDU-EN044] Ultimate Rare SM79 Other monsters you control cannot

Other monsters you control cannot declare an attack

and the monster it is battling loses 1500 ATK and DEF until the End Phase

Set: Diamond & Pearl: Mysterious Treasures Type: Psychic Rarity: Holo Rare Retreat cost: Colorless

Set: Skyridge Type: Colorless Rarity: Rare Retreat cost: Colorless

Set: Sword & Shield: Black Star Promos Type: Psychic Rarity: Promo Retreat cost: Colorless

Superdimensional Robot Galaxy Destroyer (UTR) [REDU-EN044] Ultimate Rare SM79 Other monsters you control cannotSet: Return of the Duelist Card type: Xyz Effect Monster Rarity: Ultimate Rare Attack: 5000 Defense: 2000 3 Level 10 monsters Once per turn: You can detach 1 Xyz Material from this card; destroy all Spell and Trap Cards your opponent controls. Your opponent cannot activate Spell Trap Card in response to this effect's activation.