Akki Battle Squad, and The Neutrinos

Prerequisites

• Akki Battle Squad on the battlefield
• The Neutrinos on the battlefield

Steps

1. Declare The Neutrinos as an attacker, triggering it and Akki Battle Squad
2. Resolve the Akki Battle Squad trigger, causing you to untap all modified creatures you control and to get an combat phase after this one
3. Resolve the Neutrinos trigger, blinking Akki Battle Squad and causing it to enter tapped and attacking
4. Repeat each combat phase

Results

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