one piece card game shanks ST-23 (red) (box / 6 deck) Listed cards may have imperfections. One Piece Card Game Shanks

Defender only prevents the creature from being declared as an attacker, which doesnt happen with fight effects like Ancient Animus, Pit Fight, and Longstalk Brawl

That said, it is a battle, it's cheap, and it fills the graveyard, which could be relevant in decks with a card-type-matters theme built around Atraxa, Grand Unifier or Tarmogoyf

The action description on the card states that when the player casts a noncreature spell they can put a +1/+1 counter on any other Dorat cards, which due to the cards already having 1/1 stats would mean that the player would need to play a lot of the same Dorat cards to be any threat to their opponents.

Everything after that is just an extra card every time you cast a face-down creature