You can pick an avatar from a selection of the games established characters, such as Jaya Ballard, Liliana Vess, or Teferi (so is somebody actually going to cast Idris Elba as Teferi, or?), but theres no attempt to depict you as a newbie planeswalker or something, aside from some slight interactions with named characters during the tutorial
You don't want to base too much around what could happen, but it's a good element to factor in
An energy deck is completely novel territory for a Commander precon (at least until we see it again in Modern Horizons 3 ), which makes Science
Quick Summary: My Top Pick is Make Playing Cards My top pick is Make Playing Cards
Lightning Bolt sees play in nearly every format it's legal in, being one of the best removal spells ever printed and the single best burn spell ever printed
("Rarest" reads strangely in 2020, but at the time, Magic rarity wasn't as clear as it is today