Board Thread:Update Suggestions/@comment-31561904-20161017070853/@comment-25856498-20161017123620

Mystery Chest - Contains cards from only one specific rarity. So, the chest could be all Commons, all Rares, all Epics, or all Legendaries.

There is a 60% chance of it being all Commons; if it does so, there will be a total of 800 Commons (in Arena 1).

There is a 30% chance of it being all Rares; if so, there will be a total of 100 Rares (in Arena 1).

There is a 8% chance of it being all Epics; if so, there will be a total of 10 Epics (in Arena 1).

There is a 2% chance of it being all Legendaries; if so, the Legendaries can come from any Arena, and there will be only one of them regardless of Arena.

Cross your fingers, boys, that's what you've been doing ever since the dawn of Clash Royale.

Rarity: Mega Rare/Extremely Rare on Problem's scale; I would say one in 40-100 chests down the line.