"envelope"

"Spaceship flying through an asteroid belt"

"Viking with a battle axe"

"Wizard with a phoenix"

"Pirate treasure map with X"

"Haunted house with ghosts"

"Dragon flying over a city"

"Unicorn under a rainbow"

"Viking warrior with an axe"

"Fairy tale carriage"

"Ghost ship in the fog"

"Vampire with a bite"

"Gnome with a beard"

"Nymph in a forest"