Delina, Wild Mage + Dockside Extortionist + Aggravated Assault

Delina, Wild Mage
Dockside Extortionist
Aggravated Assault

Requires
All permanents on the battlefield. Opponents control at least six artifacts and/or enchantments. Delina does not have summoning sickness. An opponent is unable to block and kill Delina.
Steps
  1. Declare Delina as an attacker
  2. Delina triggers, creating at least one token copy of Dockside Extortionist that is tapped and attacking
  3. The Dockside Extortionist token(s) enter the battlefield, creating at least six Treasure tokens
  4. At the end of your combat phase, the Dockside Extortionist token triggers, exiling itself
  5. Move to your postcombat main phase
  6. Activate five Treasure tokens by tapping and sacrificing them, adding 3rr
  7. Activate Aggravated Assault by paying 3rr, untapping all creatures you control and causing you to get an additional combat phase and main phase after this one
  8. Repeat
Results
Infinite combat phases. Infinite Treasure tokens. Infinite colored mana. Infinite ETB. Infinite LTB.