Not necessarily good cards, but great if you like people asking to see your cards and getting Cheeto dust on them as they read your ancient cardboard relics
The mono-color identity, themes, commanders, and marketing all point towards simple, straightforward decks meant to lower the barrier of entry to the game rather than satisfy a desire for complex gameplay or new themes you might expect from a traditional precon
The activated ability is easy to get to, as many Myr tap to add mana, including a cycle from Mirrodin
Even as some of these cards drift in and out of relevancy depending on the state of the format, holding a copy of any of these cards will always serve you well in the future
I dont want to go on and on about how one card can change a game, but my point is drawing cards is really good overall