You control an additional creature that can attack this turn and that cannot be blocked or killed by an opponent.
Mana Needed
({1} magic symbol) ({R} magic symbol) available.
Steps
Cast
The Last Agni Kai by paying ({1} magic symbol) ({R} magic symbol) .
Declare a creature as an attacker, triggering
Avatar Roku, adding six ({R} magic symbol) .
Move to your postcombat main phase. You will not lose the mana due to
The Last Agni Kai.
Activate
Aggravated Assault by paying ({3} magic symbol) ({R} magic symbol) ({R} magic symbol) , causing you to untap all creatures you control and to get an additional combat and main phase after this one.
Repeat from step 2.
Notes
Once you have infinite mana, you can activate
Avatar Roku infinitely to give your red creatures infinite power. You can use the same creature to fight in step 1 and attack if the creature will not die.
Results
Infinite combat phases.
Infinite red mana.
Infinite untap of creatures you control.
Infinite mana creatures you control can produce.
Infinitely powerful red creatures you control until end of turn.