Biden wanted oil supplies to factor in the "social cost of carbon". Whatever THAT is. The courts struck it down.
So, like a petulant child, he has now blocked any new drilling leases (link below).
So, with Trudeau being Joe, Jr. and already having shown what kind of damage he can inflict on his own country (the current Canadian banking crisis), yes, he could possibly make life worse for the mining industries.
It's just another investor risk that needs to be considered. With the pathetic leadership in both Canada and the USA, this risk, which was always there, just got a lot worse. IMHO.