Validate Deck
From the Options Tab, you can run the Deck Validator, which will give you visual indicators and text feedback about the validity of the current deck with respect to a variety of play formats. For more information, click here.

Deck Statistics
Clicking the "Deck Statistics" button will open a window with charts and graphs detailing the composition of your deck. Take a look at the Deck Statistics page for more information on this useful tool. You can get percentage breakdowns by Rarity, Twilight Cost, Card Type and Culture and you can choose to see the statistics of your Free Peoples side, your Shadow side or the entire Draw Deck.

Test Drawing
The Test Draw button will let you draw a hand of eight cards from the currently active deck. You can continue to redraw a fresh hand of eight cards from the same deck, shuffle and "Redraw 6 cards" (simulating tournament redraw rules), or discard cards (by clicking on them) and reconcile your hand. You can discard and reconcile cards until the Draw Deck runs out of cards.

Email Deck
Selecting "Email Deck" will open a window where you can input your email (defaults to the email tied to your account), your friend's email and select a deck to send (you can either browse through saved decks or check the 'Use Current Deck' box to send the deck your working on at the moment). If you'd like to send a brief description or comment about the deck, you can add a message in the comment box which will be included into the email sent to your friend.

Print List
Selecting "Print List" will bring up a menu of things to print, including your Current Deck (which produces a deck list suitable for entry in DGMA-sanctioned events), Current Wants list, Current Card pool (which will print out the currently filtered list of cards, or Trade List. The chosen list will be sent to the selected printer.