The creature side is much more interesting, especially considering new adventure cards will come in Wilds of Eldraine
I recommend at least 38, if not 40 - you generally want to be playing a land every turn for the first 5 turns
#4 Moana - Curious Explorer (Iconic) Set: Winterspell Printing: Holofoil Increase: +$117.45 Current Market Price: $619.38 Both Winterspell Iconics were undervalued at release, but Moana especially, given the cards highly playable nature in competition
Because when I took these twenty out of my spreadsheet of viable candidates, I was at 101 cards, so I only had to make one difficult decision
The last point I want to make on white is that there are quite a lot of four-drops, and unless youre drafting one that serves a very specific purpose, I would consider costing four a point against drafting a card highly
Add to that a pretty good chance that it destroys any creature it blocks, and it just gets even better