Abyss Dweller [ABYR-EN084] Super Rare

Set: Abyss Rising Card type: Xyz/Effect Monster Rarity: Super Rare Attack: 1700 Defense: 1400 2 Level 4 monsters. While this card has an Xyz Material attached that was originally WATER, all WATER monsters you control gain 500 ATK. Once per turn, during either player's turn: You can detach 1 Xyz Material from this card, any card effects that activate in your opponent's Graveyard cannot be activated this turn.