I have only anecdotal evidence, but I have found recruiting people to Magic is always easier when you let them build their own deck, or at least choose/open their own precon
It also gives us a tool to unban cards to try them or nudge around cards without a ban needed
"A swirl of colorful starlight appears, growing brighter and brighter until it is all you can see
For example, my Urza's Block list had 2 commons and a single uncommon in the list, while my Masques Block list had 0 uncommons and 2.5 slots dedicated to commons (One slot was split with a common and rare)
In this set there are enchantment cards with an all-new subtype known as a Background
(2018-10-05) In a Two-Headed Giant game, life gained by your teammate won't cause the ability to trigger, even though it caused your team's life total to increase