Cyclizar is a Dragon/Normal type Pokémon that is new to Pokémon Scarlet and Pokémon Violet. It brings a new move, Shed Tail, that creatures a substitute before swapping places with a Pokémon in your party.
The official Pokémon website also details the Battle Stadium feature for Scarlet and Violet. There are two different forms of battling: casual and ranked. Casual battles are what they sound like: low-stakes Pokémon battles where you can use any Pokémon of your choosing.
Ranked battles are more high-stakes affairs, complete with an ELO-style rating. Pokémon Scarlet and Pokémon Violet will feature support for online competitions in both an official and friendly manner. The ability to rent a Battle Team will be available as well.
As a disclaimer, you’ll need to be a paid Nintendo Switch Online member to participate in online play. Nintendo also notes that Pokémon Sword and Pokémon Shield players cannot battle against Scarlet and Violet players.
Another new detail for the game is Terastallizing. Per the game’s official website, “the primary feature of Terastallizing in battle is that it changes your Pokémon’s type to its Tera Type.