Wraith cards particle appeared in main menu after the game.

[Menae]

 

[Tedeshi]

Same?

https://project8.dev/threads/minor-visual-bug-in-the-main-menu.1622/

https://project8.dev/threads/wraiths-glow-effect-lingers-on-main-menu.6915/

 

[sagejfox]

Have also seen it with Grey Talon's arrow. It seems to be the particles from the character select.