Historical clue formulations

• Unfair trick — 2020-09-12
• Trick that's "pulled" — 2019-10-13
• Devious trick — 2014-05-12
• Subtle trick — 2014-04-18
• Slick trick — 2014-04-17
• Flimflam — 2012-12-28
• What a scammer might pull — 2011-10-21
• What a scammer might pull — 2006-10-27
• Scam, informally — 2005-08-13
• Bad thing to have pulled on you — 2002-11-30
• Trick — 2001-02-24