Dross Scorpion, Myr Turbine, and Fanatical Devotion

Prerequisites

• Dross Scorpion on the battlefield
• Myr Turbine on the battlefield
• Fanatical Devotion on the battlefield

Steps

1. Activate Myr Turbine by tapping it, creating a 1/1 Myr artifact creature token
2. Activate Fanatical Devotion by sacrificing a Myr token
3. Dross Scorpion triggers, untapping Myr Turbine
4. Resolve the Fanatical Devotion's ability, regenerate target creature
5. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers