In short, its a list that Wizards of the Coast has pinky-promised never to reprint
brings back the dual-ink game mechanics, as well as adding several team-up cards with multiple characters that can "Duo Shift" and "Combo Shift" on two cards rather than one for more rewards
If, while you control Spider-Verse, you also control more than one legendary non-Spider permanent and at least one legendary Spider permanent all with the same name, the legend rule applies to only the non-Spider permanents
Ancient Copper Dragon and Ancient Silver Dragon are the runaway winners, but the black dragon slots nicely into self mill or haste-based decks, and the white one is still more than playable in tokens based build though Id want to be in GW to help power it out
Thematically, Innistrad: Crimson Vow is incredibly similar to Innistrad: Midnight Hunt , so Ill spare you my rehashing of the sets themes and sub in a link to my Innistrad: Midnight Hunt Top 10 article