Restless Apparition, Thran Vigil, and Phantom Train

Prerequisites

• Restless Apparition on the battlefield
• Thran Vigil on the battlefield
• Phantom Train on the battlefield

Steps

1. Activate Phantom Train by sacrificing Restless Apparition
2. When Restless Apparition dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
3. Thran Vigil triggers, putting a +1/+1 counter on Restless Apparition
4. Resolve the Phantom Train ability
5. Repeat

Results

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