In a new article on the Magic: Legends site, players are given a preview of the different regions of the multiverse, and how you can increase your reputation with them through daily quests.
After completing the storyline for a given region, players will be able to complete daily quests. Reputation is broken into 100 levels and you can earn unique rewards every twentieth level.
Check out the official post for a preview of the five different regions and some of the rewards.