Lightning Runner, and Infinite Reflection

Prerequisites

• Lightning Runner on the battlefield
• Infinite Reflection on the battlefield
• Infinite Reflection attached to Lightning Runner
• You control at least three other nontoken creatures

Steps

1. Declare Lightning Runner and three other creatures as attackers, triggering each of their abilities
2. Resolve the first Lightning Runner trigger, causing you to get and not pay for an additional combat phase
3. Repeat step 2 two additional times
4. Resolve the final Lightning Runner trigger, causing you to get and pay eight to untap all creatures you control and to get an additional combat phase after this one
5. Repeat each combat phase

Results

• Infinite combat phases