I plan to go to Canada next day after oath with DL+nat cert and my passport from my origin country. I don't need visa using my passport to get into the Canada. I want to use that passport to get some stamp I never got any stamps from anyone and it loos like I don't travel. On my way back I want to use my DL + nat cert. Can Canadian immigration officer ask why I don't have any visa in my passport or for GC? What if I say I have nat cet, but I am dual citizen and want to use different passport? Will they allow me to enter Canada?