Silvie.org Pack Simulator
This set has 2 categories: Gold Tier, and Designer Tier. Selecting a category tab above will take you to a page where you can simulate opening those packs and view the individual leaderboards for that category.
Each category can only be attempted once every 10 minutes from the moment the Open Pack button is clicked. The cooldown is reduced to 2 minutes for Silvie.org Patreon supporters.
The Dawn of Ashes Prelude set contains 114 cards, with 55 appearing in the set's booster packs. Each pack contains 9 cards: slot 1 through 6 are non-duplicate common cards, slots 7 and 8 are non-duplicate uncommon cards, and slot 9 either contains a rare (75%) or super rare (25%). There are no foil cards in this set.
Open 4 completely random Dawn of Ashes Prelude booster packs. This category mimics the Grand Archive Kickstarter Campaign's Gold Tier, which included 1 Starter Kit containing 4 booster packs.
Open 4 completely random Dawn of Ashes Prelude booster packs. This category mimics the Grand Archive Kickstarter Campaign's Designer Tier, which included 6 Starter Kits each containing 4 booster packs.