[1] Matignon's name first came to the attention of the Magic: The Gathering community as one of the men credited with designing Pierre Canali's Affinity deck, which he used to win Pro Tour Columbus 2005.

Matignon's breakout performance came at the 2006 France National Championship where he made the Top 8, losing to Selim Creiche in the quarterfinals.

[17] Guillaume Wafo-Tapa, Martial Moreau, and David Gauthier (the three other players involved in the leak) were also suspended until October 2012.

Matignon would go on to win the event becoming the inaugural World Champion and earning himself $100,000, the largest single prize in TCG history.

[18] As a result of this achievement, Guillaume Matignon is the current holder of the World Record for the 'Greatest Cash Prize for a Trading Card Game'.