White, Red, and Green all have different tools to help you go wide, be they just playing creatures and Travel Preparations/Rally the Peasants, using Heroic (but focusing more on targeting Phalanx Leader than Wingsteed Rider), or by combining Raid Bombardment with Shirei, Shizos Caretaker to damn your opponent even if they block
For those who prefer to buy singles directly, the Galarian Gallery cards are the clear priority, as they represent the most collectible and valuable portion of the set
The OP-10 Royal Blood display focuses on powerful bloodline characters and major One Piece story arcs, with dynamic card designs and competitive staples
Its incredibly strong, and being able to play it off the bat with no evolutions needed is something not many decks offer
Its good at helping you ramp if you have ways to keep reactivating its ability