User blog comment:Hisasi/That feeling when you want an SR card from AW drop/premium/ultimate card/@comment-24102390-20131207123506/@comment-24069043-20131211140049

I'm kinda having doubts with this method. Since I don't think this will increase your chance to get SR cards.

Well, maybe it's just me. Since I prefer to open the chests right away after killing AW.