If you want to see an ECH-legal card get implemented in XMage, click on the “X votes” in the card page's legality section to vote for it. The EXH devs' list of unimplemented cards is sorted by votes, letting them know what cards players want the most.
There is also a list of newly implemented cards.
Servers to play on coming soon™.
Format includes cards from the following sets:
There are no restricted cards.