It was worth it too me
The topic of sideboard plans is actually a rather controversial one
Unlike Magic: The Gathering or other TCGs where chase cards are more powerful, One Piece separates rarity from power
Personally, I miss the Crown Zenith 'give everyone what they want' era of collecting Pokmon, and I really hope it comes back to conclude the Mega Evolutions era
This is much different than Pokemon VSTAR / VMAX cards from Sword and Shield that would have Duraludon V [Evolving Skies] Evolve into a Duraludon VMAX [Evolving Skies]
But because this had no set conclusion and pay-off in sight, starting with Sinnoh, each major saga/series began to have their own Myth Arc that would be resolved by the end: In Sinnoh, the Myth Arc is based around the region's Time-Space Legend featuring Dialga and Palkia, the Legendary Lake Trio Pokmon and their mysterious connection to Ash, Dawn and Brock, and the machinations of Team Galactic as it attempts to use this legend and its Pokmon to create a new world for themselves that will replace the old one