Sarah McLellan's breakdown: If the Wild stray from their strengths, the Rangers have the talent to make life difficult.
The Tigers, playing for their third title in a row, advanced along with Detroit Lakes, Byron and Delano.
The Ponies lost the first two sets before pushing back to pull off the upset.
With the Wild trailing the New York Rangers 3-0 after the first period on Saturday, Marcus Foligno decided it was time to step up in his role as an alternate captain.