In the mainline Pokmon games, Diglett is not a starter or a legendary, but it plays a significant role due to its unique typing and ability to learn moves like Dig and Earthquake, which are particularly effective against Electric-types, a bane for many players' teams
The fact that this card makes other creatures explore is interesting, as you can buff a weaker creature and get it ready to attack later by itself
Pop-up events happen in Arena all the time, offering card styles and sleeves that you cant get anywhere else as rewards for participating
Many enthusiasts enjoy customizing their decks, trading with friends, or participating in local events and tournaments
Marnie is a popular trainer card and Snorlax a popular Pokemon
I went into this topic in some detail in my first article, but the comments to that article highlighted several other approaches that deserve to be mentioned