Superancient Deepsea King Coelacanth (Ultimate Rare)

Once per turn: You can discard 1 card, Special Summon as many Level 4 or lower Fish-Type monsters as possible from your Deck, but they cannot declare an attack and their effects are negated. During either player's turn, when this face-up card on the field is targeted by a card effect: You can Tribute 1 other Fish-Type monster, negate the activation, and if you do, destroy that card.