Possible Clues:

• Prepare for action: tidy up after game of rummy
• Net and packs containing article ready for marine action
• Prepare for action keel scratched at sea
• Alert's checked out — prepare for action
• It's on! Get ready for action, old-style (2 words)
• Prepare for action -- so that a form of quoits can be played?
• Gain on the cards and get ready for action
• Prepare for action — these crackled (anag)
• Nasty secret led hack to prepare for action
• It's beyond doubt most of them employed by the dealer prepare for what's coming