When the fibers swell or shrink, the foil does not, causing conditions I'll describe as "arching" (curling with the foil on the convex side) and "cupping" (curling with the foil on the concave side)
Night's Whisper Simple, direct, cheap and effective
While triomes might appear no different than tap lands like Arcane Sanctum at first, what makes them special is their type line
It has small electric sacs on both its cheeks
So far, the only set you can pull packs of in Pokmon TCGP is the A-1 Genetic Apex set
We're waiting for more official details, but one interesting thing about this release is that it was the first time a 'matching' Pokmon TCG Pocket set was announced alongside it, launching around the same time of Japan's physical TCG release