Infinite combat damageInfinite combat phasesInfinite green manaInfinite mana creatures you control can produceInfinite red manaInfinite untap of creatures you control
How it works
Declare Savage Ventmaw as an attacker, attacking an opponent unable to block and kill it.
Savage Ventmaw triggers, adding .
Move to your post-combat main phase.
Activate Aggravated Assault by paying 3, untapping all creatures you control and causing you to get an additional combat and main phase after this one.