Check what is the currency exchange fee - while you might not pay for withdrawal, they can still add a few % of the exchange fee (that’s at least the case for some of Polish cards).
[1] https://www.quora.com/How-much-volume-is-traded-per-day-in-t...
https://www.thinmargin.com/blogs/why-comparing-against-excha...
Mastercard rates are very good (typically better than Transferwise's), and Visa has been catching up as well.