Set of 7 Dice - Polyhedral - Assortment

With the newest Magic: the Gathering set, Innistrad Crimson Vow, having just been released on November 19th 2021, fans are wondering what Innistrad: Crimson Vow means for existing vampire cards and their prices. 

Sliver commander prices have blown up in the last 4 weeks, what is driving the recent trend?