The Krypton Factor were set. The contestants, from 1986 onwards, all had their own corresponding colour, either red, green, yellow or blue. They wore their own clothes, apart from the Physical Ability round where the contestants wore track suits which were, in early series, red, burgundy, orange, green, black, light blue and dark blue. From 1986 onwards, the tracksuits were red, green, yellow and blue, and varied in design over the series that followed. The track suits changed to black with a coloured stripe from 1990 to 1993. For their own clothes, the contestants either wore a shirt/blouse, tie or a neckscarf of
Legend of the Five Rings five interlocking rings. The only way to completely resolve the issue was to quit using the symbol. For the role-playing game this meant very little, but for the collectible card game it meant that the backing of the cards had to be redesigned, which left players with a mix of cards that essentially resulted in marked decks. In an attempt to appease the players, Wizards released the first set with the different backs – Spirit Wars – bundled with opaque sleeves that would obscure the designs on the backs of the cards, allowing players to use any mix of cards