God of mischief takes valour, strikingly, to the heart (4)

I believe the answer is:

loki

I'm a little stuck... Click here to teach me more about this clue!

'god of mischief' is the definition.
(I've seen this in another clue)

'valour strikingly to the heart' is the wordplay.
'valour' becomes 'lo' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'to the heart' means to look at the middle letters.
The centre of 'strikingly' is 'ki'.
'lo'+'ki'='LOKI'

'takes' acts as a link.

Can you help me to learn more?

(Other definitions for loki that I've seen before include "Gossip" , "Norse god of mischief" .)

I've seen this clue in The Irish Times.

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