My PC is bit laggy so I pressed some times on Queen of Pain arcana becouse I wanted to recive it. That way I got it 2 times.

Link to my steam profile here:
https://steamcommunity.com/profiles/76561198085587876.
direct link to my inventory:
https://steamcommunity.com/profiles/...876/inventory/
It isn't really problem here but when same thing will be in next TI and arcana will be giftable that can be unfair for others.
Good Luck in solving it.