~ It looks like that you can get all cards from 1 box ~ all the cards included within the Japanese release are Mirror Holofoil.
Detective Pikachu is a special 18 card subset that was made available in English on March 29, 2019. Its Japanese equivalent, the Movie Special Pack Great Detective Pikachu is a 25 card sub-set that was released on April 26, 2019. All the cards included within the English release are Holofoil, and all the cards included within the Japanese release are Mirror Holofoil.
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