Scourge of the Throne + Helm of the Host

Scourge of the Throne
Helm of the Host

Requires
All permanents on the battlefield. Your life total is at most five. You have the lowest life total or are tied for the lowest life total.
Steps
  1. At the beginning of your combat phase, Helm of the Host triggers, creating a token copy of Scourge of the Throne with haste
  2. Declare the Scourge of the Throne token as an attacker, attacking the opponent with the most life or an opponent that is tied for the most life
  3. The Scourge of the Throne token's first and second abilities trigger
  4. Resolve the first trigger, giving the token +1/+1 until end of turn
  5. Resolve the second trigger, causing you to untap all attacking creatures and to get an additional combat phase after this one
  6. Repeat each combat phase
Results
Infinite combat phases. Infinite creature tokens with haste. Infinite ETB.