We just got the newest patch notes, and there are TONS of changes across all the major modes in Hearthstone. This seems like it will be an awesome patch.
Patch Notes: https://news.blizzard.com/en-us/hearthstone/23724327/21-3-patch-notes
14:31 Other Modes
News | Hearthstone | NERFS, BUFFS, & BAN ANNOUNCED! Major updates across the board!