Your search for "biorhythm 58" revealed the following:
Biorhythm (9ED) from Ninth Edition, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Ron Spears Card Text:Each player’s life total becomes the number of creatures he or she controls.
Biorhythm (Foil) (ONS) from Onslaught, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Ron Spears Card Text:Each player's life total becomes the number of creatures he or she controls.
Biorhythm (ONS) from Onslaught, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Ron Spears Card Text:Each player's life total becomes the number of creatures he or she controls.
Biorhythm (Foil) (9ED) from Ninth Edition, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Ron Spears Card Text:Each player’s life total becomes the number of creatures he or she controls.