The official Japanese Pokémon website has announced the pre-order bonuses for Pokkén Tournament DX for the Nintendo Switch. From Wednesday, June 7th, 2017 at 12:00 until September 21st, 2017, the Pokémon Centers, Pokémon Stores and the Pokémon Center Online will accept reservations for the
Pokkén Tournament DX - Pokémon Center Premium Set. The game costs 5,980 yen plus tax and will be available on September 22nd, 2017.
Pokkén Tournament DX - Pokémon Center Premium Set
The Pokkén Tournament DX - Pokémon Center Premium Set is only available through the Pokémon Centers and it includes 4 gorgeous bonus gifts.
1. A4 Clear File - This original clear file features the artwork from the Pokkén Tournament DX package.
2. 3 Clear Cards - Special clear cards that feature powerful Burst Attacks of Pikachu, Mewtwo and Junaiper!
3. 3 Badges (approx 56 mm / Full Color) - Features the Main Characters and Battle Trainer Nia (ニア)
4. Pokkén Tournament DX SPECIAL CD
This CD includes 4 tracks with two additional tracks available to download for free from the Pokémon Center website on September 16th, 2017.
Source:
http://www.pokemon.co.jp/info/2017/06/170606_p01.html