There are many currencies in the game, and most of them can be interchanged. # Cards Acquired by: - World drops - Match reward - Draft wins - Shop purchases - Quests Spent on: - Selling to shops # Gold Acquired by: - World drop - Match reward - Draft reward - Quests Spent on: - Cards and items from shops - Drafts games - Crafting cards - Shards # Shards Acquired by - World drop - Quest reward Spent on - Crafting cards - Shop Re-rolls - Gold exchange # Challenge Coins Acquired by - At the start of the game Spent on - Drafts