Visa Aerogold Travel Insurance I Want A Cdn Credit Card That Will Give Me The Highest/best Exchange For Air Travel?

I want a Cdn credit card that will give me the highest/best exchange for air travel? - visa aerogold travel insurance

At the moment I have a Aerogold Visa, but I'm only fly, only Air Canada and its partners. I pay my Visa card regularly at a high rate of interest is not a factor. Ideally, I would like a map, working with an airline, a low annual fee and can manage. Ideas?