How Do You Know If You're Happy Or Sad Without A Mask?

Pin: Wayward Enigma Designs.

Stickers:

• Deltarune, purchased from Fangamer.
• Kill Six Billion Demons.

Card: "Victoria's Ballroom" (Roberto Campus, 2004), from Call of Cthulhu CCG, card game by Eric M. Lang, published by Chaosium.