When can Mysterious Challenger come back

Bug Report
1

it can’t use for long time

2

According to RidiculousHat on Reddit, “this needs a full client fix. you can expect a resolution here in 31.2”

https://www.reddit.com/r/hearthstone/comments/1gwmafk/comment/lyafebz/?utm_source=share&utm_medium=web3x&utm_name=web3xcss&utm_term=1&utm_content=share_button