CommentStreams:Acd58ea61482533d7f21ebf84ce4fc72

The only ways to get level up resources is through the campaign map fights or by opening bronze/silver store boxes. The level of resources you get from store boxes depends on the power of your first deck, so make sure to put your weakest cards into the first deck before opening these boxes. Different cards use different resources, so try leveling up different cards to see what's more affordable.