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Arena Ruleset for 14.0
20190409 sometime after 2 PM PDT
Blizzard has updated the current arena ruleset on the Blizzard forums.
The entire post is copied below:
Update 14.0 - 04/09/19
- Any given Arena draft pick will offer 3 cards from the same “Bucket”. There are currently 13 non-Legendary card buckets and 5 Legendary card buckets.
- On average, Arena draft picks consist of about 79% Common, 15% Rare, 5% Epic, and 1% Legendary cards.
- Your 1st, 10th, 20th, and 30th picks will be guaranteed to offer Rare, Epic, or Legendary cards. These picks will always offer cards from Bucket 4 or higher.
- Class cards receive an additional +50% increase in their appearance rate.
- Spell and weapon cards receive an additional +50% increase in their appearance rate OR cards from the latest Expansion receive an additional +50% increase in their appearance rate.
- Neutral cards from the Classic and Basic set appear 50% less often.
- These appearance rate modifiers are multiplicative.
The following cards are unavailable to be drafted in Arena:
Ancient Watcher, Mind Control Tech, Klaxxi Amber-Weaver, Dark Arakkoa, Cult Sorcerer, Twilight Darkmender, Hooded Acolyte, Blade of C’Thun, Usher of Souls, Ancient Shieldbearer, Twin Emperor Vek’lor, Disciple of C’Thun, Doomcaller, C’Thun, Beckoner of Evil, C’Thun’s Chosen, Twilight Geomancer, Twilight Elder, Crazed Worshipper, Skeram Cultist, Jungle Giants, Open the Waygate, The Caverns Below, Vicious Fledgling, The Marsh Queen, Fire Plume’s Heart, Awaken the Makers, Unite the Murlocs, Lakkari Sacrifice, The Last Kaleidosaur, Humongous Razorleaf, Bloodreaver Gul’dan, Deathstalker Rexxar, Frost Lich Jaina, Malfurion the Pestilent, Scourgelord Garrosh, Shadowreaper Anduin, Thrall, Deathseer, Uther of the Ebon Blade, Valeera the Hollow, Baku the Mooneater, Black Cat, Genn Greymane, Glitter Moth, Gloom Stag, Hagatha the Witch, Murkspark Eel, Dr. Boom, Mad Genius, Whizbang the Wonderful, Zul’jin, Arcane Watcher
Arena Bucket Information can be found here
We’re always working to improve the Arena experience, and your feedback is appreciated!
Iksar
Just updated the ruleset again, had some artifacts of the old ruleset. Should be fixed now (or very soon).
Iksar
Also as a reminder, cards are bucketed and re-bucketed based on pick rate and not by win rate. The first pass is our best guess at grouping cards we think will be picked by the general population at a similar rate. After a week or so, we'll use the data we've collected to rebucket any cards that were off-base. Once buckets are in place, we'll monitor win rate data and do microadjustments to pull all the class win rates closer together.
Iksar
Working on it. A week is definitely the safe estimate, we hope to get the server patches out faster than that.