Each Draft Booster contains 15 Magic cards and 1 token or ad card, with 1 Rare or Mythic Rare, 3 Uncommons, 10 Common cards, and 1 Land card
Tocasias Welcome White has slowly been accumulating card draw options over the past few years, and at the time of publication, I think white can draw a reasonable amount of cards especially if it can chain the right engines together (looking at you, Skullclamp)
Partners and Companions Ben Guilfoyle is taking a good hard look at all the options around and about Partners, Companions and everything in between
They should also be clear
You'll need both permanents on the battlefield, Helm attached to Timestream Navigator, the City's Blessing, and 2UU mana available