Myr Turbine, Battered Golem, and Clock of Omens

Prerequisites

• Myr Turbine on the battlefield
• Battered Golem on the battlefield
• Clock of Omens on the battlefield

Steps

1. Activate Myr Turbine's first ability by tapping it, creating a 1/1 Myr artifact creature token
2. The Myr enters the battlefield, triggering Battered Golem, untapping Battered Golem
3. Activate Clock of Omens by tapping Battered Golem and the Myr token, untapping Myr Turbine
4. Repeat

Results

• Infinite ETB
• Infinite tapped creature tokens