Board Thread:Questions and Answers/@comment-73.157.107.78-20180228032604/@comment-73.157.107.78-20180302034340

Viplav pal: It is easier to max out the purple and orange abilities because it takes fewer of the stock cards to do so because they're worth more. Grey abilities, for example, require far more stock cards to max out because they're worth less, so it is important to save them.