War god’s spoils (4)

I believe the answer is:

mars

This clue is a double definition.

'war god's' is the first definition.
(Mars was the Roman god of war)

'spoils' is the second definition.
('mar' can be a synonym of 'spoil')

(Other definitions for mars that I've seen before include "War god - chocolate bar - spoils" , "classical god" , "March to the French" , "world" , "Red planet and god of war" .)

I've seen this clue in The Times.

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