D.D. Assailant [DR04-EN244] Secret Rare Xyz Effect Monster but their effects are negated

but their effects are negated

you can select and destroy 1 card your opponent controls

If it attacks

then Destroy all cards on your side of the field and Special Summon the chosen monster from the Graveyard to your side of the field

Set: The Shining Darkness Card type: Effect Monster Rarity: Secret Rare Attack: 2300 Defense: 1000 While you have no cards in your hand

D.D. Assailant [DR04-EN244] Secret Rare Xyz Effect Monster but their effects are negatedSet: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Secret Rare Attack: 1700 Defense: 1600 When this card is destroyed by battle with an opponent's monster, remove from play that monster and this card.