Inside this box, youll find 2 individual Build & Battle Boxes, each containing a ready-to-play 40-card deck
Some cases where people double sleeve their photocards would be because: (1) the photocard may be of significantly higher value than the rest of their collection, (2) the material of the photocard may be thinner than normal - double sleeving would provide more structure due to the thickness or (3) the environment the photocards are kept in may be susceptible to sunlight, moisture or humidity - double sleeving may be able to provide more protection for the photocard
There are a couple of ways to get around this
Japanese Pokemon cards can be worth more money than their English counterparts
Shimmering Skies features lots of characters and settings from Wreck-It Ralph, making their debut in Disney Lorcana
And, lastly, Elven Ambush, which is capable of filling the battlefield