Ultra Rare Braixen from the Sword & Shield—Silver Tempest TG01

TG01 is an Ultra Rare Braixen from the Sword & Shield—Silver Tempest expansion set. The "TG" in the card number indicates it is part of the Trainer Gallery subset, which features special full-art cards showing a Pokémon alongside its trainer. 

Key details for the Braixen TG01/TG30 card:

Set: Silver Tempest
Card Number: TG01/TG30
Artist: Naoki Saito
Rarity: Ultra Rare

Card type: Stage 1 Fire-type Pokémon

Special feature: The card has a full-art, holofoil finish and shows Braixen in an alternative art style alongside its trainer, Serena.

Attacks:
Combustion: Deals 30 damage.
Flare Parade: Deals 60 damage for each Serena card in your discard pile.