Possible Clues:

• Shell game
• Infernal blighter, I'm a notorious con
• Sneaky blighter, I'm a con
• In which I'm taken in by crooked blighter?
• Right off, receiving no introduction to deft game of deception
• Con
• Gilbert's crooked - see him involved in game of sleight-of-hand
• I'm held by rotten blighter to be cheat in game