Only by watching some online tutorials and asking MTG-playing friends did I start to grasp what exactly was going on with these mechanics, but for the most part, playing Arena outside of the tutorial environment felt like jumping straight into the deep end without a life vest, which, judging by the efforts the devs have taken to build a robust tutorial, is a pretty jarring transition
Its also important to note that you will draft all the cards from each pile not just one of them
Card: 1 - 128+1 card types *This product also includes alternative art and parallel design cards from the above types
(It is possible, though, to get commons and uncommons in other slots.) Traditionally, in a Draft Booster, you get ten commons and three uncommons
I did that recently with some childhood cards and its a good feeling (despite receiving a 3, but hey)
How did you decide which locations felt significant enough for their own planechase cards