While it does pay for mana and work well with untap artifact effects, its not a mana ability
If you are used to seeing and handling cards for years you'll be able to spot fake cards even if you won't be able to say why
Mentor of the Meek even puts Dawn of Hopes expensive card draw to shame
Theres not much more to it, really
Players earn points for participation and winning matches: Players earn 3 points for each Draft event they attend at Just Games (yes, including Commander Draft, which will include 1 pack of Final Fantasy!) Players earn 1 point for each match they win in a qualifying event (winning your table at Commander counts for 1 point, going 3-0 in a standard draft is 1 point)
You dig six, put any instant or sorcery into your hand and the other five on the bottom in a random order, so you cannot rely on it