Soul of Windgrace, Waves of Aggression, and Grand Warlord Radha

Prerequisites

• Soul of Windgrace on the battlefield
• Waves of Aggression in the graveyard
• Grand Warlord Radha 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

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
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 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

Results

• Infinite combat phases
• Infinite green mana
• Infinite magecraft triggers
• Infinite red mana
• Infinite self-discard triggers
• Infinite storm count