Aurelia, the Warleader, and The Neutrinos

Prerequisites

• Aurelia, the Warleader on the battlefield
• The Neutrinos on the battlefield

Steps

1. Declare Aurelia and The Neutrinos as attackers, triggering their abilities
2. Resolve the Neutrinos trigger, blinking Aurelia and causing it to enter tapped and attacking
3. Resolve the Aurelia trigger, causing you to untap all creatures you control and to get an additional combat phase after this one
4. Repeat each combat phase

Results

• Infinite ETB
• Infinite LTB
• Infinite combat phases
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control