Waves of Aggression, Savage Ventmaw, Sword of Light and Shadow, and Dryad Arbor

Prerequisites

• Dryad Arbor in hand or in your graveyard
• Waves of Aggression in your graveyard
• All other permanents on the battlefield
• Savage Ventmaw does not have summoning sickness
• Sword of Light and Shadow attached to Savage Ventmaw
• An opponent is unable to block and kill Savage Ventmaw

Steps

1. Declare Savage Ventmaw as an attacker
2. Savage Ventmaw triggers, adding that you don't lose as steps and phases end
3. Deal combat damage to an opponent with Savage Ventmaw
4. Sword of Light and Shadow triggers, causing you to gain three life and return Dryad Arbor from your graveyard to your hand if it's in your graveyard
5. Move to your postcombat main phase
6. Cast Waves of Aggression from your graveyard for its retrace cost by paying and discarding Dryad Arbor, untapping all creatures that attacked this turn and causing you to get an additional combat and main phase after this one
7. Repeat

Results

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