Neheb, the Eternal + Aggravated Assault

Neheb, the Eternal
Aggravated Assault

Requires
All permanents on the battlefield. Your opponents have lost at least five life this turn.
Steps
  1. At the beginning of your postcombat main phase, Neheb adds at least rrrrr
  2. Activate Aggravated Assault by paying 3rr: untap all creatures you control, and create an additional combat phase and postcombat main phase
  3. Repeat
Results
Infinite combat phases. Infinite untap of creatures. Infinite red mana.