With the standard set rotations, Hearthstone enters the New Year of the Raven, which eliminates all the sets from 2016, such as Whispers of the Old Gods, One Night in Karazhan, and Mean Streets of Gadgetzan.
Lots of powerful cards leave the meta. But don't worry, there's more than enough new cards from the latest expansion, The Witchwood, to replace them all. Some of the legendaries in the new set are so strong that players will be able to create whole new archetypes with no problems.
If you want to know which 15 cards are the best in The Witchwood set, then follow this guide for the top: