How can you create a combo with Soul of Windgrace, Waves of Aggression, Grand Warlord Radha?
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[START OF COMBO]This combo can be formed with Soul of Windgrace, Waves of Aggression, Grand Warlord Radha

Color identity: BRGW
Mana cost: 
Steps:
  1. Declare Grand Warlord Radha, Soul of Windgrace and at least three other creatures as attackers.
  2. Grand Warlord Radha and Soul of Windgrace trigger.
  3. Resolve the Grand Warlord Radha trigger, adding at least {R}{R}{R/G}{R/G}{R/G}.
  4. Resolve the Soul of Windgrace trigger, returning a land card from your graveyard to the battlefield tapped.
  5. Move to your postcombat main phase.
  6. 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.
  7. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite combat phases
  - Infinite green mana
  - Infinite magecraft triggers
  - Infinite red mana
  - Infinite self-discard triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Soul of Windgrace must be on the battlefield
  - Waves of Aggression must be in the graveyard
  - Grand Warlord Radha must be on the battlefield
  - An opponent cannot block and kill creatures you control.
  - Soul of Windgrace does not have summoning sickness.
  - You control at least three additional creatures that do not have summoning sickness.
  - You have at least one land card in your graveyard.
[END OF COMBO PREREQUISITES]
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