Clicking Planeswalker, for example, sets up a default planeswalker frame with slots for three loyalty abilities
In Duels of the Planeswalkers 2012 , the land count is automatically adjusted to 40% of the total deck size
In addition, after each "stage" of 3 matches, the player has the option to add a booster pack to their deck to make it stronger for the next stage (either by using one from their inventory or purchasing one within the sealed tournament window)
Legendary creatures or Planeswalkers can be your commander, the starting life is 25 in 1v1, or 30 for 3+ players, and the minimum deck size is 80 cards
None of the cards printed are broken or format defining
Paying life also gets you cards