For older decks, see the PTCGO page. Please note that I only started playing when Live became globally accessible, and don't have any decks from before then.
Also see this official page: Pokémon Trading Card Game Live Starter Deck Strategies—March 2024
Info on decks from the Lost Origin Battle Pass can be found on the official Pokémon website, if you want to reconstruct them: Pokémon TCG: Sword & Shield—Lost Origin Battle Pass Deck Strategies
Also see this official page: Global Beta Battle Pass Deck Strategies
Also see this official page: Pokémon TCG: Scarlet & Violet—Temporal Forces Battle Pass Deck Strategies
Also see this official page: Pokémon TCG: Scarlet & Violet—Twilight Masquerade Battle Pass Deck Strategies
Also see this official page: Pokémon TCG: Scarlet & Violet—Shrouded Fable Battle Pass Deck Strategies
Also see this official page: Pokémon TCG: Scarlet & Violet—Stellar Crown Battle Pass Deck Strategies