Board Thread:Fun and Games/@comment-30093591-20170202222607/@comment-25856498-20170313110625

The Rare factor for the Draft Chest is 2. Which means one in every two cards in the Draft Chest is a Rare.

Similarly, the Epic factor for the Draft Chest is 10 so one in every ten cards in that chest is Epic.

I'm guessing the Legendary factor for that chest is 100, which is absurdly low.