Rayquaza (Japanese: レックウザC[チャンピオン] Rayquaza C [Champion]) is a Colorless-type Level-Up Pokémon LV.X card. It was first released as part of the Supreme Victors expansion.
This card was included in the English Supreme Victors expansion, first released in the Japanese Beat of the Frontier expansion. It was later reprinted as one of the DP Black Star Promos with English-exclusive artwork by the same artist, released in September 2009 as one of three cards available in the 2009 Fall Collector's Tins.
Cynthia is not known to own a Rayquaza, however one was shown under her ownership in the anime during a Mismagius induced dream in Malice in Wonderland!.