Wicked Zoroastrian priests caught (5)

I believe the answer is:

magic

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'wicked zoroastrian' is the definition.
Although both the answer and definition are adjectives, I can't see how they can define each other.

'priests caught' is the wordplay.
'priests' becomes 'magi' (magus is a kind of priest).
'caught' becomes 'c' (cricket abbreviation).
'magi'+'c'='MAGIC'

Can you help me to learn more?

(Other definitions for magic that I've seen before include "Enchantment" , "Marvellous" , "Mysterious quality" , "Illusory feat" , "Tricks" .)

I've seen this clue in The Telegraph.

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