all one piece booster boxes Japanese TCG: The Azure Sea's Seven Box (OP14) – Rip n Ship Arena including Dressrosa One Piece TCG: Romance Dawn

Banned cards are illegal to play, while Game Changers are legal but restricted by bracket

Honorable Mentions I am adding in this section some cards I feel are good, but not good enough to become heavily played in the Leviathan format

Kemba, Kha Regent and Balan, Wandering Knight want them all for themselves, while Kemba, Kha Enduring wants to give equipment to all your other cats that ETB

Perhaps that's why a mint copy of Lord of the Pit sold for over $100,000 in 2023

Even without those synergies, Selfless Spirits perfectly respectable

At the start of your upkeep, you get to investigate for each opponent who has more cards in their hand