The Green party is not a force in Canadian politics,they have one seat and barring radical events will never have another.

Th Bloc has 21 seats, and has had as many as 54. They would certainly ally with the conservatives. (Not the modern maple maga variety, but old school PC).

Except with the minority, the NDP got a few of their platform issues through.

Except for my entire 20s the conservatives were in power, so...