The NBA’s 2013 draft order was decided by a random readout of lottery numbers on Tuesday, in which fortune favored those teams building on sturdy foundations rather than those looking to start completely anew. While the Magic, Bobcats and Suns could surely have used the freedom and benefit of the No. 1 overall pick in order to jump-start their respective rebuilds, that privilege fell to the Cavaliers — who have now won two of the last three draft lotteries despite some unfavorable odds.