Ocean's Keeper is a Rare Effect Monster card from Yu-Gi-Oh! (Tactical Evolution, TAEV). Current market price: $0.15.
Rare
Tactical Evolution (TAEV)
Card Text
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.
