There is a French site where you can print decks in proxies.
There are some other sites, just take a look on the Internet . But
remember, proxies cannot be used in tournaments
There are a multitude of site where you can print proxies.
Most sanctioned tournamnets do not allow proxies, but some
non-sanctioned tournaments do. Remember to always check with your
tournament co-ordinator or the head judge before trying to use
proxies.