>allowing them to possess and use psilocybin for personal training without fear of prosecution under the country's drug laws.

There are literally hundreds of websites that will mail you magic mushroom spores, live magic mushroom mycelium, magic mushroom growing kits where you just add water and wait, and dried magic mushrooms.

I have never heard of any of them so much as being hassled let alone prosecuted for selling any of those products.

It's pretty safe to say magic mushrooms are quasi decriminalized in Canada right now.