Astarion, the Decadent + Scourge of the Skyclaves

Astarion, the Decadent
Scourge of the Skyclaves

Requires
Scourge of the Skyclaves in hand. Astarion on the battlefield. Your life total is at least 2. 5bb available.
Steps
  1. Cast Scourge of the Skyclaves with kicker by paying 5bb
  2. Scourge of the Skyclaves triggers, causing each player to lose life equal to half their life total, rounded up
  3. At the beginning of your end step, Astarion triggers, causing an 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
Target opponent loses the game. Near-infinite lifeloss.