You can join an open Commander lobby created by another player, you can create your own lobby and allow players to join, or you can create a lobby specifically for you and your friends
Gengar & Mimikyu were paired more to match that new gameplay concept than anything else
Bandai had already launched Carddass lines for other franchises (Dragon Ball, Gundam), and Pokemon was a natural addition to the catalog
Additionally, you can find information on what sideboard cards work best from other members of the Magic community
In lifegain-focused decks, it shines alongside Exquisite Blood or Alhammarret's Archive, where risky exchanges quickly turn into overwhelming advantages
There are many trap cards that can deal great damage, such as Ring of Destruction, Dimension Wall, Bye Bye Damage, etc., but each has a different specialty, so think about what you want to do and what kind of opponent you want to play