You can comment on, and suggest edits to the Banned, Restricted, & Watched Cards list on the Pokémon TCG Partner Battles Rules Google Doc or the Pokémon Partner Battles Discord Server.

This information, taken from the Partner Battles rules section 2.5, is presented here for ease of access.

1. Banned Cards
   1. Banned cards are not allowed in any part of a Partner Battle deck.
   2. Banned Cards List:
      • No cards are currently banned.
2. Restricted Cards
   1. Restricted Cards may be used in Partner Battle decks, but certain restrictions are placed on those cards. Each entry in the list will state the restriction(s) placed on that card.
   2. Restricted Cards List:
      • No cards are currently restricted.
3. Watchlisted Cards
   1. Watchlisted Cards may continue to be used in casual Partner Battles games, but you must inform your opponent of any Watchlisted cards in your deck before setup and if your opponent requests, you must replace any or all of those cards with your choice of basic energy. Watchlisted Cards are not allowed in any part of a Partner Battle deck for tournaments.
   2. Watchlisted Cards List:
      • Espeon (AQ 11) [Watchlisted 4/2/2020]
        • Reason: Espeon is the center of various “bounce energy” + draw combos. Most notably Draw Energy (CEC 209) and/or Shuckle (Black Star Promo HGSS15).
      • Porygon-Z (UNB 157) [Watchlisted 4/20/2023]
        • Jose found another turn 1 combo.