The 11yr-old scored his 12th career win with a tough front-running performance in the 1800m feature for trainer Jo-Ann Gordon and rider Krishna Mudhoo.
While his rivals were paddling in the extremely wet and testing conditions, The Gordonian rallied hard against the running rail to hold off favourite Dez by more than three lengths.
The evergreen Remind gelding's win helped the southern contingent end the week in style.
Riverton galloper Galway Garry completed a carnival double when scoring in rating 72 company over 2000m for trainers Kelvin and Aimee Tyler. The 6yr-old's win came seven days after he scored in the same grade over 1800m.
The Grand National carnival was completed when North Taieri galloper Slammer produced a hard-fought victory in Saturday's final race.
The Brian and Shane Anderton-trained 6yr-old scored the fourth win of his career when holding out Nathan Detroit by a long neck.
The victory was one of two winning rides for Corey Campbell, who also won on former Southland galloper Lord Beaver.