Formal Dress Gala Announced! is a mythos card. It first appeared in the Miskatonic Horror expansion.
Mythos Type: Headline
Gate Opens: Devil Reef or Woods
Clue Appears At: Esoteric Order of Dagon or Historical Society
Mythos Ability: Each investigator may choose to immediately spend $5 to gain 2 Sanity and 2 Clue tokens.