Each guild offers a new game mechanic, which provides players of Limited formats with clear build-around gameplans, such as: Addendum, Spectacle, Riot, Afterlife, and Adapt
3 Animate Dead One of the most iconic entries on this list, Animate Dead is an aura that harkens back to the very first set of Magic, setting the standard for graveyard recursion cards
If you want to peruse the oddly wonderful creations yourself, the Twitter account RoboRosewater (named after head of MTG R&D Mark Rosewater) posts rendered versions of Talcos network once a day, and Escapist Magazine has a nice collection of its favorite cards, from absurd to over-powered, here as well as a more in-depth explanation of the networks inner workings here
For players that want a more in depth look at what each card in all three Starter Decks does, the best thing to do is download the official Disney Lorcana companion app