You can add card by many way in MTGCompanion. All item are stored in the stock database. You can define default stock item in configuration panel

Anywhere in the app

Any card detail have button : .

In the stock Module

go to the import cards section

In the collection module

Collection module can help you to add one version of card to your stock.

If you want to add full set :

add full set (and token) to selected collection

If you want to add partial set :

add cards by number / name by sets.

type each number separated by space in the text box and press "import".

"import another serie" : You will be able to import a new serie after this one.

"Inverse" button will fill number with other card number from the selected sets

You can also select cards from the choosen set, and import it in the selected collection

If you want to add specific card with specific stock attributs :

when you select a card, click on the "stock" tab. Just press button to add as many entry as you need. Then you can change stock's attributs. Then press to save changes