If you do plan on using this card in your deck, definitely do not use more than 1 without its evolutions, and your only option with this card is to use Razor Fin, I would use the card right away to start the game and retreat it as soon as possible
That means it was seen by a lot of different people outside and inside the Pit
The 9-cost Edward Newgate also boosts Marco by +2,000 Power until the end of the opponents turn, so when played through Sanji, youre developing two win conditions while making it even harder for your opponent to close out the game
Wizards clearly think so too, with it being named in such a way that it can be easily reprinted
Terashis Grasp Terashi's Grasp is basically a Limited card, and even if you have the potential to gain absurd amounts of life, youre still paying 3 mana at sorcery speed for that