Fraying Omnipotence + Warlock Class

Fraying Omnipotence
Warlock Class

Requires
Fraying Omnipotence must be in hand. Warlock Class must be on the battlefield. Warlock Class is level three. Mana needed: 3bb
Steps
  1. Cast Fraying Omnipotence by paying 3bb, causing each player to lose half their life, then discard half the cards in their hand, then sacrifice half the creatures they control, rounding up each time.
  2. At the beginning of your end step, Warlock Class triggers, causing each opponent to lose life equal to the life they have lost this turn.
Results
Near-infinite lifeloss.