I can't find it on any of the many used ride sites. They would usually still list it if it recently sold.
According to the park, it looks like Hasbroland is taking over the spot of Mindbender.
https://www.wem.ca/play/attractions/galaxyland
"Galaxyland Powered by Hasbro is the only Hasbro theme park in Canada
North America's largest indoor amusement park features more than 27 exhilarating rides and play areas for all ages.
A total of three and a half acres of family-friendly rides will be transformed into an amusement park wonderland for all fans of Hasbro, a global play and entertainment company, and its powerhouse brands by 2023."
"Galaxyland announces closure of the Mindbender
Edmonton, AB (January 30th,2023) - Galaxyland has confirmed the closure of the Mindbender, the world’s largest indoor triple loop roller coaster.
“The iconic Mindbender has been the park’s premier thrill ride since the grand opening in 1985,” said Lori Bethel, Vice President of Parks and Attractions. “While the Mindbender will be missed, we are excited to announce that we are working on groundbreaking new plans for family thrills that will immerse our guests in an out-of-this-world experience.”
Galaxyland has started the redevelopment of the area with the decommissioning and removal of the Mindbender. Please watch Official West Edmonton Mall on social media for updates and teasers in the coming months."