Idris, Soul of the TARDIS, Intruder Alarm, and Myr Turbine

Prerequisites

• Idris, Soul of the TARDIS on the battlefield
• Intruder Alarm on the battlefield
• Myr Turbine in exile
• Idris does not have summoning sickness

Steps

1. Activate Idris using Myr Turbine's first ability by tapping it, creating a 1/1 Myr artifact creature token
2. When the Myr enters the battlefield, Intruder Alarm triggers, untapping all creatures
3. Repeat
4. Once you control five or more Myrs, you may instead use Myr Turbine's second ability until all Myrs in your library are put onto the battlefield

Results

• Infinite creature tokens
• Infinite ETB
• Infinite mana creatures you control can produce
• Infinite untap of all creatures
• Put all Myrs from your library onto the battlefield