GRAIL

Every clue on record, most used first

• Percival caught sight of itonce

  The New York Times — Saturday, 9 January 2010

• Sought-after objectonce

  The New York Times — Thursday, 9 October 2008

• Sacred cuponce

  The New York Times — Sunday, 16 March 2008

• Object of a knight's questonce

  The New York Times — Thursday, 2 August 2007

• Holy ___once

  The New York Times — Wednesday, 22 September 2004

• Last Supper itemonce

  The New York Times — Sunday, 5 September 2004

• Object of many knightly questsonce

  The New York Times — Wednesday, 4 April 2001

• Last Supper cuponce

  The New York Times — Tuesday, 27 June 2000

• Holy chalice of legendonce

  The New York Times — Tuesday, 5 August 1997

• Ultimate objectonce

  The New York Times — Thursday, 19 September 1996