- Initial launch: March 23, 2016
In this Tavern Brawl, Kel'Thuzad and Rafaam are competing to see who the superior endboss is! Take a side and battle for evil supremacy!
- Players play as either Kel'Thuzad or Rafaam.
- Kel'Thuzad has 30 health and 30 armor. His Hero Power is (summons a random Curse of Naxxramas minion).
- Rafaam has 60 armor. His Hero Power consists of a part of the Staff of Origination which can be upgraded throughout the game. The first version grants a random rare when used, the second a random epic, and the third a random legendary.
- Decks are pre-generated based on the randomly assigned hero.
- The reward from winning a single game in this Tavern Brawl is a classic pack.
- If playing as Kel'Thuzad, opt to use his Hero Power early and often in lieu of playing a minion.
- If playing as Rafaam, upgrade his Hero Power as quickly as possible.