Add Card Collections
To better facilitate deck building, and make the card function better, I reccomentd adding the ability to create a card collection. There should be the ability to create and manage multiple lists so you can add things to them and compare or even pull out your phone to show someone the cards you are looking for.
Automatically sync collection with MTG Arena. This would be extremely helpful considering we no longer have collection details in the Arena logs
That's an idea we have on our backlog for inclusion at a later date!