Board Thread:Question and Answer/@comment-27892764-20160414052228/@comment-27846412-20160414213854

As setsugeha said the game is ruled by RNG. Nothing chances as to what you can get from AW drops but you can increase the likelihood of higher rarity cards by inflicting more damage. (I think)

Pretty much easiest way is to keep farming, but this should be done with the longer term in mind. Resources are worth more at higher levels in a way due to that they restore more vit/BP. This is the only real benefit you have as a high level player in regards to the quantity of drops you may obtain.

Pretty much it is worth it to pursue higher levels for more deck cost and more vit for your shoes but it doesn´t affect what actually drops