I try to make decks that really suit the commander, not mere collections of good cards in a particular color combination
Cards with low print runs, strong grading (PSA 9-10), and iconic Pokmon like Charizard or Pikachu command the highest premiums
While there are a few different Munchlax coins out there in various colors, most stick to a single tone
And, in 15 years time, I'll still be able to recognize them, just like I can easily recognize those that came out 15 years ago
Assuming it's your turn, your opponents won't be able to cast spells.
I was really surprised how easy and rewarding the experience has been and though I suppose I do miss some of the human interaction, overall I would say the experience has been very positive