Crossword Genius

Theres no advantage in having this card (5)

Ross

I believe the answer is:

deuce

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'this card' is the definition.
(deuce is a kind of card)

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for deuce that I've seen before include "Two in cards or dice" , "with equal score" , "Level of tennis" , "score at Wimbledon?" , "Forty all in tennis" .)

I've seen this clue in The Irish Independent.
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