Saheeli, Radiant Creator, Lightning Runner, and Aetherwind Basker

Prerequisites

• Saheeli, Radiant Creator on the battlefield
• Lightning Runner on the battlefield
• Aetherwind Basker on the battlefield

Steps

1. At the beginning of your combat phase, Saheeli triggers, causing you to pay to create a token copy of Aetherwind Basker with haste
2. When the Aetherwind Basker token enters the battlefield, it triggers, causing you to get for each creature you control
3. Declare Lightning Runner and each Aetherwind Basker token you control as attackers, triggering their abilities
4. Resolve all Aetherwind Basker triggers, causing you to get for each creature you control for each trigger
5. Resolve the Lightning Runner trigger, causing you to get and then pay eight to untap all creatures you control and to get an additional combat phase after this one
6. Repeat each combat phase

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite combat phases
• Infinite creature tokens with haste
• Infinite untap of creatures you control
• Infinite mana creatures you control can produce
• Infinite energy counters