Promo Unlocks for Magic the Gathering: Duels of the Planeswalkers 2013

In Magic the Gathering: Duels of the Planeswalkers 2013, you can enter the following codes to obtain additional 10 cards per deck: 

direct link to supercheats.com

Although it is not really cheating -- you could obtain the codes by other means, and hey after all almost every second duel you will meet people with those promo unlocks, and some of them are really game changers:

Forced Fruition will mill your opponents like no tomorrow (if you survive the burns)

Phyrexian Obliterator is a nice stalemate and an unblockable 5/5 for  4 mana  later on

Flow of Ideas costs 1 mana more than Tidings (which also available via promo unlock only), but outperforms it for sure