Both the face commander Dina and the old Dina, Soul Steeper care about lifegain and sacrificing creatures, and Beledros Witherbloom herself helps to contribute to that theme really well, not to mention payoffs like Veinwitch Coven and Blight Mound (both reprints from the OG Strixhaven precons)
Nicol Bolas twisted several powerful players onto its side and made Ravnica the setting for the most planeswalker-involved story ever and established rivalries and alliances that permeate the lore to this day
Its not pulling me into the universe much, though Im sure its a blast for fans of the franchise
Create an X/X black Demon creature token with flying, where X is the number of cards in your hand
I wavered on whether Pantlaza, Sun-Favored from The Lost Caverns of Ixalan Commander bonus sheet should be the number one Dinosaur card for Commander
A Rakdos 3/4 with flying and haste for six mana, whenever Olivia attacks, it can be used to return another creature from its controller's graveyard to the battlefield, tapped and attacking