This 25th Marvel Legendary expansion features Nightmare, the demon who rules the dream realm and collects dream energy from humans. Doctor Strange will have to team up with four other heroes, The Vishanti, The Ancient One, Brother Voodoo, and Clea, to battle two new Mastermind and Villain groups. Players have the option of working together to take on the evil threats or work against other players.
The game box comes with 100 playable cards and a rulesheet. This expansion requires a Marvel Legendary core set to play.
Upper Deck released upcoming Legendary Revelations deluxe expansion back in 2019 (see "'Legendary Revelations'").