Ocean's Keeper [TAEV-EN081] Rare BT6-093 When an opponent's monster declares

When an opponent's monster declares a direct attack

You can only use this effect of "Dark Contract with the Witch" once per turn

Set: XY: Flashfire Type: Dragon Rarity: Ultra Rare Retreat cost: Colorless

then you can activate 1 Field Spell from your hand or Deck

Negate the activation and effect of an opponent's Spell Card

Ocean's Keeper [TAEV-EN081] Rare BT6-093 When an opponent's monster declaresSet: Tactical Evolution Card type: Effect Monster Rarity: Rare Attack: 1500 Defense: 1200 During battle between this attacking card and a Defense Position monster whose DEF is lower than the ATK of this card, inflict the difference as Battle Damage to your opponent. When this card is destroyed by battle, add 1 "Thousand Eyes Jellyfish" or 1 "Cranium Fish" from your Deck to your hand.