Win the indicated number of matches with the Avacyn's Glory deck to unlock the corresponding card for it.
Win the indicated number of matches with the Chant Of Mul Daya deck to unlock the corresponding card for it.
Select "Extras" at the main menu, then select "Promotional Unlocks", and then "Enter Code". Enter one of the following codes to activate the corresponding cheat function. Note: The "Server-Driven Content" option in the "Help & Options" menu may need to be enabled.
Win the indicated number of matches with the Deadwalkers deck to unlock the corresponding card for it.
Have a saved game file from Magic: The Gathering - Duels Of The Planeswalkers 2014 to unlock a free deck key that can be used for a deck and extra cards.