Draft lotteries are stupid. Either have a reverse draft order or don't. Adding variance doesn't change the fact that the worst teams are in best position for the draft.
There are three options that work, reverse draft order based on previous season finish, completely randomized draft selections every year regardless of previous season finish, or complete rotation (i.e. pick 29th this year, 30th next year, 1st the year after, 2nd the year after, and so on).