User made new stratagem (4)

I believe the answer is:

ruse

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

'new stratagem' is the definition.
'ruse' can be an answer for 'stratagem' (a ruse is a stratagem or ploy). I am unsure of the 'new' bit.

'user made' is the wordplay.
'made' indicates anagramming the letters.
'user' anagrammed gives 'RUSE'.

Can you help me to learn more?

(Other definitions for ruse that I've seen before include "Subterfuge" , "Sure its a strange deception" , "Deceptive tactic" , "Ploy, artifice" , "Plan intended to deceive" .)

I've seen this clue in The Mirror.

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