Universes Beyond is coming to Magic to combine two of the most robust communities that visit your store: Magic: The Gathering and Warhammer 40,000
Emrakul, the Promised End was a great mythic addition to the Magic set that brought us delirium: it works a a solid delirium commander even if the card doesn't technically use the mechanic
Collectors, start your engines
That could be great news for folks who are experienced at this kind of game and are hungry for more complexity, but beginners will likely struggle
Wandering Archaic // Explore the Vastlands generates card advantage off opposing spells, or in rare cases, lets everyone dig through the top of their library
Many of the planes giant monsters have cycling on them, as well, which will allow you to cycle them away for a new card if you wont have enough mana to cast them for a while