So basically instead of paying the command tax with mana you pay it with life, which is a huge upgrade since mana is a significant bottleneck to casting all the spells you want each turn and paying life is not just way easier to do in this deck but can actually be an advantage, as I'll cover later on
Overall, there are a lot of similarities to Magic: The Gathering, and I felt like my competitive Magic experience gave me an advantage in picking up Lorcana on the release weekend
Merchant of Secrets [Wizard]: Early draw is good, any draw is good
You can steal any spell on the stackcreatures, artifacts, planewalkers, or whatever is best
While Hedron Crab and Faithless Looting were certainly an upgrade compared to Magus of the Bazaar and friends, they are nothing compared to Insolent Neonate
Kindred Discovery costs five mana and is an Enchantment where you have to choose a Creature type when it enters