Purchasing this package will give you a Shadow Booster Box, which you can claim at /warp Mail. Once opened, it gives you one Shadow Texture Coupon for a specific Pokémon.
There are 26 Pokémon available! Each evolution family or standalone Pokémon has an equal chance of being selected, with that chance split evenly between the available family members.
~1.96% chance each:
Cleffa
Clefairy
Clefable
Scyther
Scizor
Kleavor
Torchic
Combusken
Blaziken
Gible
Gabite
Garchomp
~2.94% chance each:
Wimpod
Golisopod
~5.88% chance each:
Mewtwo
Meganium
Lugia
Mawile
Flygon
Whimsicott
Volcarona
Dragapult
Wyrdeer
Quaquaval
Armarouge
Tinkaton