Winter Mystery Cards

Thanks for reminding me about these. Didn't see a sell option anymore so I just turned them all into gems.

I forgot about my cards, but It looks like

YOU STILL CAN: turn them into gems
YOU CAN'T: trade, sell, craft

edit.: No you can't do shit. It shows the option to turn them into gems, but its not working. So the cards still in your inventory, but nothing you can do with them.

fck me, i wasted my 100 cards... :/

I don't know if there is already a discussion about it or not, but they made the sale badge craftable again if you had enough cards in your inventory when the cards expired. Works well for me.

source:
https://steamcommunity.com/groups/tradingcards#announcements/detail/1818796702570011884