Set: Legendary Collection 4 Mega-Pack
Card Number: LCJW-EN226
Monster Type: Aqua
Card Text: During damage calculation in your opponent's turn, if this card is being attacked: You can target the attacking monster; make that target's ATK 0 during damage calculation only (this is a Quick Effect). This effect can only be used once while this card is face-upon the field.
Card Type: Effect Monster