Leave race? Seems lucky for a change (4,8,6)

I believe the answer is:

make yourself scarce

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'leave race? seems lucky for a change' is the definition.
I know nothing about this answer so I can't judge whether it can be defined by this definition.

'race? seems lucky for a change' is the wordplay.
'change' indicates anagramming the letters.
'race'+'seems'+'lucky'+'for'+'a'='raceseemsluckyfora'
'raceseemsluckyfora' anagrammed gives 'MAKE YOURSELF SCARCE'.

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.

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