Kaya's Ghostform, Renegade Rallier, and Yahenni, Undying Partisan

Prerequisites

• Kaya's Ghostform on the battlefield
• Renegade Rallier on the battlefield
• Yahenni, Undying Partisan on the battlefield

Steps

1. Activate Yahenni 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 Yahenni ability
4. Repeat

Results

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