How can you create a combo with Havoc Festival, Archfiend of Despair?
user
[START OF COMBO]This combo can be formed with Havoc Festival, Archfiend of Despair

Color identity: BR
Mana cost: 
Steps:
  1. At the beginning of each opponent's upkeep, Havoc Festival triggers, causing them to lose half their life total, rounded up.
  2. At the beginning of their end step, Archfiend of Despair triggers, causing each opponent to lose life equal to the life they lost this turn.
  3. The opponent whose turn it is loses the game due to having zero or less life.
  4. Repeat during each other opponent's turn.[END OF COMBO STEPS]

Result:
  - Each opponent loses the game
  - Near-infinite lifeloss[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant