Ocean's Keeper

WATER
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.
1500
1200

Fish WATER Effect Monster 3 effect