It is probably safe to say that much of the 2003 player-base remembers Gemini Elf, and its significance cannot be understated
Instead of just showing commonly played cards from existing lists, it builds complete 100-card decks around your commanders synergies and can even optimize those lists around the official EDH bracket system
I think it'll be something that runs Double-Dragon Energy, which makes it a lot easier to use that attack
Goofy Expert Shipwright might suffer from the dearth of Sisu Empowered Sibling and resurgence of Grab Your Sword, but what Emerald card doesnt
And I think above everything else, its just that it created needed structure in a marketplace that had none. Prior to the advent of grading, trimming, altering and faking cards were prevalent, most prolifically in the late 1990s
Fun Ranking: Fun Byrke, Long Ear of the Law This is the other Starter Kit mythic