There will be no duplicates
Still, impressive second-tier chase cards like Mega Dragalge ex, and the Froakie/Frogadier Illustration Rare connected artworks give you something else to chase besides the big whale, making Chaos Rising as a whole feel more balanced than similar sets released in the past
Replica: The background shows rainbow-like flashes instead of a metallic look
Three things to remember: Every Japanese box guarantees at least 1 SR + 3 ARs + 2-3 RRs youre never walking away empty-handed Four box types exist Main Expansion (best value), Enhanced (higher pull rates), High Class Pack (premium experience), and Special (varies) Japanese boxes are structured differently from English 30 packs 5 cards, no energy filler, all Rares are holo If youre ready to try your first Japanese booster box, start with a High Class Pack for maximum impact or a Main Expansion for best value
that's about it, honestly
Alchemy and Historic also allow Wizards to rebalance cards, modifying them slightly rather than banning them, something that would never happen in paper