Dross Scorpion, Myr Turbine, and Phantom Train

Prerequisites

• Dross Scorpion on the battlefield
• Myr Turbine on the battlefield
• Phantom Train on the battlefield

Steps

1. Activate Myr Turbine by tapping it, creating a 1/1 Myr artifact creature token
2. Activate Phantom Train by sacrificing the Myr
3. When the Myr dies, Dross Scorpion triggers, untapping Myr Turbine
4. Resolve the Phantom Train ability
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite +1/+1 counters on a creature