Braingeyser

Standard	Rotated out on April 19, 1995
Pioneer	Not Legal
Modern	Not Legal
Legacy	Unbanned since September 20, 2004
Vintage	Unbanned since September 20, 2004
Commander	Never Banned
Pauper	Never Banned
Oathbreaker	Never Banned
Extended	Rotated out on October 1, 1999

View on Scryfall

Timeline

• August 5, 1993 - Released
• January 25, 1994 - Status changed to Restricted in Vintage
• January 10, 1995 - Status changed to Restricted in Standard
• April 19, 1995 - Status changed to Rotated in Standard
• May 1, 1996 - Status changed to Banned in Legacy
• July 1, 1997 - Status changed to Banned in Extended
• December 1, 1998 - Status changed to Unbanned in Extended
• September 20, 2004 - Status changed to Unbanned in Vintage
• September 20, 2004 - Status changed to Unbanned in Legacy