The most common and most likely answer to this crossword clue is the 5 letter word OUIJA
O
U
I
J
A
More clues leading to the result OUIJA
- Advisory board where some participants are late?
- European assents, one giving a spirited response?
- Board getting the nod in Strasbourg — and further east?
- Board that signals agreement from Assemblée Nationale and Bundestag?
- Board has positive answers from two Europeans
- Franco-German agreement needed to contact the other side?
- Message board often used in job applications originally
- Board in which French and German concur
- Board needing agreement from EU neighbours
- Board agreement expressed in two languages
Buddy explains!
The straight part
We know that "it’s a mystic device" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case it’s a mystic device = ouija.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.