In-game, Team Spirit's win has not yet been immortalized on the in-game replica of the Aegis of Champions found in each team's Fountain, but hopefully that won't take too much longer
Buy buttons have been removed for Autograph Avatars on the Compendium's talent page now that they're no longer able to be purchased
With last night's late update, you could still press them all you'd like in hopes that you'd get them for $0, but you'd be thrown an error message
This means that for right now, they are unobtainium until they become tradable and listable on the Steam Community Market in the early hours of 11/18/21 (specifically, after 2:00 AM PST/4:00 AM CST/1000 UTC is when restrictions will end)
If you're wondering how your Fantasy Challenge performance stacked up against everyone else's for the whole tournament, now you can! Head to your Fantasy page to see your percentages right below your points totals (here's the UI work to make that happen, and the splitting of one percentile string into two). Feel free to share how you did down below if you'd like – here's how I did