MTG Salvation

Card wars is a pretty fun little game for adventure time fans. It's a lot less complex than magic but it's something fun to do while you're waiting on a bus or pooping. It's usually $4 but if you go to this link today:

http://www.amazon.com/Cartoon-Network-Card-Wars-Adventure/dp/B00INC0ENU/ref=sr_1_1?s=mobile-apps&ie=UTF8&qid=1403880025&sr=1-1&keywords=card wars adventure time

...you can get it for free.