Danitha, Benalia's Hope, Phantom Train, and Changing Loyalty

Prerequisites

• Danitha, Benalia's Hope on the battlefield
• Phantom Train on the battlefield
• Changing Loyalty on the battlefield

Steps

1. Activate Phantom Train by sacrificing Danitha When Danitha dies, Changing Loyalty triggers, returning Danitha from your graveyard to the battlefield tapped
2. When Danitha enters the battlefield, it triggers, returning Changing Loyalty from your graveyard to the battlefield attached to Danitha
3. Resolve the Phantom Train ability
4. Repeat

Results

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