Kaya's Ghostform, Carrion Feeder, and Renegade Rallier

Prerequisites

• Kaya's Ghostform on the battlefield
• Carrion Feeder on the battlefield
• Renegade Rallier on the battlefield

Steps

1. Activate Carrion Feeder by sacrificing Renegade Rallier
2. When Renegade Rallier dies, Kaya's Ghostform triggers, returning Renegade Rallier from your graveyard to the battlefield
3. When Renegade Rallier enters, it triggers, returning Kaya's Ghostform from your graveyard to the battlefield attached to Renegade Rallier Resolve the Carrion Feeder ability
4. Repeat

Results

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