Source: https://www.wowtcgreborn.com/news/2022/9/ban-list-and-balance-update
Mazu’kon will be added to the Contemporary Banlist, and some Reborn cards will be changed, effective 9/25/22. The following cards remain banned in these formats:
Classic:
- Anub’arak, the Traitor King
- Aquatic Form
- Azaloth
- Blizzard
- Envoy of Mortality
- Hesriana
- Unending Breath
- Winter Veil Disguise KitContemporary:
- Ashenvale**
- Bottled Light
- Etched Dragonbone Girdle
- Grglmrgl
- Leader of the Pack
- Legacy of the Horde**
- Mazu’kon**
- Sava’gin the Reckless
- The Last Relic of Argus**
- Viewless Wings
- Winter Veil Disguise Kit
Core: - Ashenvale**
- Legacy of the Horde**
- The Last Relic of Argus**
Nerfed Card Changes
- Dreamwalking: Added activation cost to Rediscover power.
- Nether Attunement: Changed cost from 2 to 3.
- Overcook!: Changed damage from 50 to 10. Plus a new alternate art!
- Chi Wave: Changed cost from 4 to 5. Text changed slightly to fit rules syntax.
- Ring of Peace: Added cost of 1 to activation power.
- Aura of Bravery: Cost changed from 3 to 4.
- Greater Judgement: Changed cost from 4 to 5. Text changed slightly to fit rules syntax.
- Spiritbinding Totem: Changed graveyard effect to no longer target itself or other cards of the same name.
- Storm Blast: Changed cost from X to 1+X.
- Profane Gateway: Changed cost from 2 to 3.
- Mana Tea: Changed cost from 1 to 2.
- Hot Streak: Changed cost from 2 to 3. Now only triggers when [Fire] allies enter play.
- Shadowfae Madcap: Changed ATK from 3 to 1.
- Battleplate of the Holy Warrior: Changed second activation power’s cost to remove at least 1 counter.
- Vestements of the Haunted Forest: Changed second activation power’s cost to remove at least 1 counter and added “on your turn” restriction. Now only one token of the same name can be put into play from the collection.
- Xing-Ho, Breath of Yu’lon: Changed cost from 3 to 4; now only affects non-combat magical damage; Unpreventable damage modifier turned into activation power; Armor value changed from 1 to 0.
- Ski’thik’s Rod of Ambershaping: Now does not trigger from adding counters to other cards with the same name.
- Storm-Stave of Antonidas: Strike changed from 4 to 5.
- Wu Lai, Bladed Fan of the Consorts: Now only triggers while attacking. Changed Strike from 0 to 1.
- Tiger’s Peak: Changed activation power to friendly target and combat damage.
Rules and Superficial Changes
- Blessing of the Emperor: Reworked design to differ from Blessing of Trials.
- Sanctity of Battle: Renamed from Templar’s Verdict. (T.V. will return!)
- Cascade: Reworked powers, thank you @Timmir!
- Hammer-Fist Frenzy: Characters targeted do not have to be exhausted by H.F.F to not be able to ready.
- Zhi the Harmonious: Better bigger better art!
- Warpelt of the Howling Beast: Corrected armor type typo from Plate to Mail.
- Taoren, the Soul Burner: Better cooler better art!
- Mogu’shan Palace: Reworked first activation power.
Buffed Card Changes
- Legacy of the Last Emperor: Adds 4 +1 / +1 counters, up from 2.
- Forgotten Corruption: Adds additional corruption counters for Sha controlled.
- Lorewalker Fu: Now also triggers when he enters play.
- Garb of the Silent Assassin: Removed “Once on each of your turns:” from first counter power.
- Massacre Greatsword: Changed ATK and Strike from 2 to 1; Now also gains counters for allies discarded or milled during the turn.
- Siegecrafter’s Forge Hammer: Changed strike cost from 2 to 1. (Good call, @Bel’akor!)
- Starshatter: Strike cost changed from 3 to 2.
- Dalaran: Added second activation power, changed damage boost to non-combat damage.
Brother Of Runes 
