Sozin's Comet + Aggravated Assault + The Last Agni Kai

Prerequisites

• You control a creature that can attack this turn and that cannot be blocked or killed by an opponent.
• You and an opponent each control a creature.

Steps

1. 1Cast The Last Agni Kai by paying .
2. 2Cast Sozin's Comet either from your hand by paying or from exile for its foretell cost by paying .
3. 3Declare a creature as an attacker, triggering its firebending ability, adding .
4. 4Move to your postcombat main phase. You will not lose the mana due to The Last Agni Kai.
5. 5Activate Aggravated Assault by paying , causing you to untap all creatures you control and to get an additional combat and main phase after this one.
6. 6Repeat from step 3.

Effects

• Infinite combat phases
• Infinite mana creatures you control can produce
• Infinite red mana
• Infinite untap of creatures you control