The Pokémon TCG Scarlet & Violet 151 Collection Alakazam ex will be available on October 6th, 2023, in the Pokémon Center and where Pokémon TCG products are sold.

Pokémon TCG: Scarlet & Violet 151 Collection—Alakazam ex

Alakazam ex plays mind tricks on your opponent by attacking from the Bench! After evolving from Abra and Kadabra, this formidable Pokémon ex shows off its Psychic-type prowess no matter where it stands on the battlefield.
The Scarlet & Violet—151 Collection—Alakazam ex includes:

• 1 foil promo card featuring Alakazam ex
• 1 foil card featuring Kadabra
• 1 foil card featuring Abra
• 4 Pokémon TCG: Scarlet & Violet—151 booster packs
• A code card for Pokémon TCG Live

Source: https://www.pokemon.com/us/pokemon-tcg/product-gallery/scarlet-violet-151-collection-alakazam-ex/