Declare Grand Warlord Radha and five other creatures as attackers.
Grand Warlord Radha triggers, adding {4}{R}{R}.
Proceed to your next main phase.
Activate Aggravated Assault by paying {3}{R}{R}, untapping all creatures you control and getting an additional combat and main phase after this one.
Repeat.

Infinite combat phases

Infinite green mana

Infinite red mana

Infinite untap of creatures you control

Infinite mana creatures you control can produce

Grand Warlord Radha

Aggravated Assault

Declare Radha, Hellkite Charger and at least six other creatures as attackers.
Radha and Hellkite Charger trigger.
Resolve the Radha trigger, adding at least {6}{R}{R}.
Resolve the Hellkite Charger trigger, choosing to pay {5}{R}{R} to untap all attacking creatures and to get an additional combat phase after this one.
Repeat.

Hellkite Charger

Declare Radha, Hellkite Charger and Savage Ventmaw as attackers.
Radha, Savage Ventmaw and Hellkite Charger trigger.
Resolve the Savage Ventmaw trigger, adding {R}{R}{R}{G}{G}{G}.
Resolve the Radha trigger, adding at least {3}.
Resolve the Hellkite Charger trigger, choosing to pay {5}{R}{R} to untap all attacking creatures and to get an additional combat phase after this one.
Repeat.

Savage Ventmaw

Declare Radha, Najeela, and at least three other creatures as attackers.
Radha and Najeela trigger.
Resolve the Radha trigger, adding at least {5}.
Resolve the Najeela trigger, creating a 1/1 Warrior creature token that is tapped and attacking.
Activate Najeela by paying {5}, untapping all attacking creatures, giving them trample, lifelink and haste, and gaining an additional combat phase after this one.
Repeat each combat phase.

Infinite colored mana

Infinite creature tokens

Infinite ETB

Infinite lifegain

Infinite lifegain triggers

Najeela, the Blade-Blossom

Chromatic Orrery

Mycosynth Lattice

Declare Warcry Phoenix, Grand Warlord Radha and at least one other creature as attackers.
Grand Warlord Radha and Phoenix Chick trigger.
Resolve the Grand Warlord Radha trigger, adding at least {R}{R}{R/G}.
Resolve the Phoenix Chick trigger, causing you to pay {R}{R} to return it from your graveyard to the battlefield tapped and attacking with a +1/+1 counter on it.
Deal combat damage using Warcry Phoenix.
Breath of Fury triggers, causing you to sacrifice Warcry Phoenix, then attach Breath of Fury to Phoenix Chick, then causing you to untap all creatures you control and to get an additional combat phase after this one.
Move to your next combat phase.
Declare Phoenix Chick, Grand Warlord Radha and at least one other creature as attackers.
Grand Warlord Radha and Warcry Phoenix trigger.
Resolve the Grand Warlord Radha trigger, adding at least {R}{R/G}{R/G}.
Resolve the Warcry Phoenix trigger, causing you to pay {2}{R} to return it from your graveyard to the battlefield tapped and attacking.
Deal combat damage using Phoenix Chick.
Breath of Fury triggers, causing you to sacrifice Phoenix Chick, then attach Breath of Fury to Warcry Phoenix, then causing you to untap all creatures you control and to get an additional combat phase after this one.
Move to your next combat phase.
Repeat.

Infinite combat damage

Infinite death triggers

Infinite LTB

Infinite sacrifice triggers

Breath of Fury

Phoenix Chick

Warcry Phoenix

Declare Charnelhoard Wurm, Grand Warlord Radha and at least two other creatures as attackers.
Grand Warlord Radha triggers, adding at least {R}{R}{R/G}{R/G}
Deal combat damage to an opponent using Charnelhoard Wurm.
Charnelhoard Wurm triggers, returning Relentless Assault from your graveyard to your hand.
Cast Relentless Assault by paying {2}{R}{R}, causing you to untap all creatures that attacked this turn and to get an additional combat and main phase after this one.
Repeat.
If you attack with at least three additional creatures, this combo nets additional mana.

Infinite magecraft triggers

Infinite storm count

Charnelhoard Wurm

Relentless Assault

Declare at least five creatures you control as attackers.
Grand Warlord Radha triggers, adding at least {R}{R}{R/G}{R/G}{R/G}.
At the beginning of your postcombat main phase, Kirri triggers, returning a land card from your graveyard to the battlefield.
Cast Waves of Aggression from your graveyard for its retrace cost by paying {3}{R}{R} and discarding a land card, causing you to untap all creatures that attacked this turn, and to get an additional combat and main phase after this one.
Repeat.

Infinite self-discard triggers

Kirri, Talented Sprout

Waves of Aggression

Declare Grand Warlord Radha, Soul of Windgrace and at least three other creatures as attackers.
Grand Warlord Radha and Soul of Windgrace trigger.
Resolve the Grand Warlord Radha trigger, adding at least {R}{R}{R/G}{R/G}{R/G}.
Resolve the Soul of Windgrace trigger, returning a land card from your graveyard to the battlefield tapped.
Move to your postcombat main phase.
Cast Waves of Aggression from your graveyard for its retrace cost by paying {3}{R}{R} and discarding a land card, causing you to untap all creatures that attacked this turn, and to get an additional combat and main phase after this one.
Repeat.

Soul of Windgrace

Combos with "Grand Warlord Radha"