Hearthpwn

Late to the game but one of the better archetypes for the meta. Highlander N'Zoth Reno Quest Priest.

Mass Dispel Can silence Mini-Rag rendering him an immune 2/3 minion for the opponent. Resets his attack, and typically severely disrupts the opponent's win condition. 

Carnivorous Cube Possible replace as it is typically too costly for meaningful quest acceleration. Can target Mini-Rag, but this not a particularly useful interaction.

Violet Illusionist Buys a complete free turn free from damage from Mini-rag. Based on sequencing she will block one entire volley from him even if she technically dies before he finishes shooting his missiles.

Acolyte of Pain Draw 3 cards.

Zola the Gorgon Heal 40 when paired with Reno or Amara, or a second Kazakus potion.

Kazakus Look for AOE and armor can sometimes find a good resurrect target.

Grim Patron Auto include in every variant of any viable deck for this brawl.

Excavated Evil Board clear for Healing Totems and Grim Patrons.

N'Zoth, the Corruptor The only late game win condition besides outliving your opponent with Amara / Reno.

Plated Beetle, Mistress of Mixtures Key cards to keep in opening hand to stall. Clearly great when you also have an early Twilight's Call

Crystalline Oracle, Sylvanas Windrunner, Piloted Shredder Broken mindless wild autoincludes.

For Discussion:

Resurrect could possibly be viable but lacks big targets.

Zombie Chow quick quest activator but replaceable, hurts to grab him back with N'Zoth or Twilight's Call

Loatheb Forgot to initially include him but many strategies don't revolve around spells ... although we know he is autoinclude in most Wild decks.

Spiritsinger Umbra replaceable. Can occasionally pair on turn 10 with a Sylvanas Windrunner or earlier with Twilight's Call if you are lucky. Or a 4 health meatsack for Mini-Rag to beat on.

Emperor Thaurissan P2W. Go ahead, add him. Maybe a good replacement if you don't want Shadowreaper Anduin

Vs. Odd Shaman (Healing Totem glitch): 

 vs. Patron Warrior: