The Magic: the Gathering (MTG) set Unglued (UGL) was released on Aug 11th, 1998. It includes 6 token cards.
Unglued is a 'Unset' - A casual Magic: the Gathering block constructed format consisting of fun cards that are not legal in any other MTG format. Unglued is a significant set in MTG's token history... it was the first to officially print token cards, the design and layout of tokens cards changed drastically in the following years. These token cards are a popular collectors item and should feature in any good token collection.