Friller Rabca (SDRE-EN022) [Structure Deck: Realm of the Sea Emperor]

When a face-up Fish, Sea Serpent, or Aqua-Type monster you control is targeted for an attack: You can banish this card from your Graveyard to target the attacking monster; negate the attack, and that target loses 500 ATK until your next End Phase. The effect of "Friller Rabca" can only be activated once per turn.