While the set symbol on Arceus VSTAR in the English version of the trailer has not been seen previously, the Japanese version shows the card having a set symbol of S9, meaning we can expect to see Arceus VSTAR introduced as part of the next main expansion of the Japanese Sword & Shield Era.
The Japanese news update for this teaser also included high quality images of both Arceus VSTAR, and the Arceus V from the same set.
Arceus V card text said:Trinity Charge
Search your deck for up to 3 basic Energy cards and attach them to your Pokémon V in any way you like. Then, shuffle your deck.
Power Edge [130 damage]
Arceus VStar card text said:Trinity Nova [200 damage]
Search your deck for up to 3 basic Energy cards and attach them to your Pokémon V in any way you like. Then, shuffle your deck.
VStar Power
Starbirth
During your turn, you may search your deck for up to 2 cards and put them into your hand. Then, shuffle your deck. (You can't use more than 1 VStar Power in a game.)
More details on the new Pokémon VSTAR mechanic will be revealed on November 3, 2021 on the official Pokémon Card Game Japanese website.
- Sources
Pokémon VSTAR Are Coming to the Pokémon TCG | Pokemon.com
Take a sneak peek at the upcoming Arceus VSTAR and a new mechanic for the Pokémon Trading Card Game.www.pokemon.comポケモンカードゲーム25周年を記念した特別映像が本日公開!新たに「ポケモンVSTAR」が登場!ニュース詳細 | ポケカ公式
ポケモンカードゲーム25周年を記念した特別映像が本日公開!新たに「ポケモンVSTAR」が登場!2021年10月20日(水)、ポケモンカードゲームが25周年を迎えたことを記念して、特別映像を公開していまwww.pokemon-card.com