Updated structure deck information from official Bandai (17 March 2021).
Release date: 23 April 2021
MSRP: 1320yen (tax incl.)
Content: 54-card deck, 2 memory gauge, 1 playsheet, 3 index cards, and 6 aniversary campaign SR cards.
Rarity (ST-7) Dukemon: 5C, 6U, 3R, 2SR, 6SP*
Rarity (ST-8) Ulforceve: 7C, 4U, 3R, 2SR, 6SP*
*SP is a campaign SR rarity, most likely option cards with the <Delay> effect.
Source: https://digimoncard.com/products/deck/st-8.php
https://digimoncard.com/products/deck/st-7.php