May 1, 1997
'Portal' is a unique set within the world of Magic: The Gathering, released on June 1, 1997.
June 24, 1998
'Portal Second Age' is a unique expansion set within the world of Magic: The Gathering, released on June 24, 1998.
July 12, 1999
'Starter 1999' is a distinctive set within the world of Magic: The Gathering, released on July 12, 1999.
July 17, 1999
'Portal Three Kingdoms' is a unique and historically significant expansion set within the world of Magic: The Gathering, released on July 17, 1999.