Possible Clues:

• It needs only a wee N to get this in the middle
• The odds are that a wee N is at the end in the middle
• Vegas venture
• There's something to wag with 'er for this band, perhaps
• Stake money (on)
• ''Wanna ---?''
• One is often seen at the card table
• It may elicit a call
• Try for a trifecta
• Something to see