This is by far the best way to play MTG online. The card databse is complete. The client is smooth. I don't understand why more people dont use it.
I would like to see bigger matches with the ability to play with more than 1v1.
I would also like to see support for my other favorite TCG's Yugioh and Pokemon.
I would also like to see a grid based dungeon master system. Where you can place counters on the maps with notepad descriptions.