There've been several reveals alongside the commander decks - like this Jurassic World card that makes Colossal Dreadmaws
It has 6 ample ammo and +3 correction value/+1 damage, and has a function that allows one more battle by consuming 1 more ammo after attacking
Card Set(s) -EMPERORS IN THE NEW WORLD- [OP-09] CARD VIEW OP09-024 | C | CHARACTER Usopp Attribute Ranged Block icon 3 Type ODYSSEY/Straw Hat Crew Effect [On Play] If you have 2 or more rested Characters, draw 2 cards and trash 2 cards from your hand
And Dark Dragonite has an average retreat cost of two colorless energy cards
Yuffie, Materia Hunter* Unlike most Ninjas, Yuffie doesnt need ninjutsu for her ability to trigger, instead she can just grab your opponents Sol Ring and grab it for yourself, while also moving equipment over to her - something that can be quite nasty with Ninjutsu
This would be exceptionally strong in a Pirate-themed deck or using Captain Hook cards from any of the Lorcana Chapters