"envelope"

"Space probe on an alien planet"

"Ghostly carriage"

"Ghostly lantern"

"Sorceress with a potion"

"Cyber dragon"

"Vampire with red eyes"

"Centaur with a bow"

"Manticore with a scorpion tail"

"Dwarf mining for gems"

"Ghost floating in the air"

"Pirate treasure map"

"Haunted house on a hill"