Raving Dead + Archfiend of Despair

Raving Dead
Archfiend of Despair

Requires
Raving Dead must be on the battlefield. Archfiend of Despair must be on the battlefield. Raving Dead does not have summoning sickness. Opponents have even life totals. Opponents are unable to block and kill Raving Dead.
Steps
  1. Deal combat damage to an opponent with Raving Dead.
  2. Raving Dead triggers, causing the opponent to lose half their life total, rounded up.
  3. At the beginning of your end step, Archfiend of Despair triggers, causing the opponent to lose life equal to the life they lost this turn.
  4. The opponent loses the game due to having zero or less life.
Results
Near-infinite lifeloss for target opponent. Target opponent loses the game.