With Forged in the Barrens Pre-Release weekend coming up we wanted to share a quick update on an issue we’ve discovered which affects how two new Legendary cards, Mankrik and Blademaster Samuro, are acquired.
As a reminder, Mankrik will be available to everyone for free at level 1 on the Forged in the Barrens Rewards Track, and Diamond Blademaster Samuro will be available at level 1 on the Forged in the Barrens Tavern Pass. However, Forged in the Barrens card packs opened before visiting the Reward Track, and during Pre-Release weekend, can contain Blademaster Samuro or Golden Mankrik (in place of another Legendary card).
To address this, full Dust refunds will be available for the week following Pre-Release, this applies to golden Mankrik, non-golden Blademaster Samuro, and golden Blademaster Samuro.
Ok, so basically, it is better to wait with unpacking and get the free legendaries first?
And thanks for this warning 
EDIT: Actually, if we get a refund, it is better to unpack early to be able to craft whatever we want later (provided we get lucky and unpack these).
Hi
I have a similar issue, hope you can help me with it.
My collection contains 2 copies of Altruis the Outcast and 2 copies of Nethrandamus.
As for Altruis, I received it in the welcome-back free deck recipe, 2 days before the release of Forged in the Barrens.
Not sure how I got the 2nd copy of Nethrandamus though, but I hope I can get a refund for these two extra copies somehow.
If I’m not mistaken, the free deck recipe is supposed to help the returning player to be able to keep up with the current meta and other players, and having 2 copies of Altruis (which unfortunately rotated out only 2 days after I decided to come back to play some HS) is really upsetting.
Please help me out I’d really appreciate it …