Kaya's Ghostform, Umbral Collar Zealot, and Angel of Indemnity

Prerequisites

• Kaya's Ghostform on the battlefield
• Umbral Collar Zealot on the battlefield
• Angel of Indemnity on the battlefield

Steps

1. Activate Umbral Collar Zealot by sacrificing Angel of Indemnity
2. When Angel of Indemnity dies, Kaya's Ghostform triggers, returning Angel of Indemnity from your graveyard to the battlefield
3. When Angel of Indemnity enters, it triggers, returning Kaya's Ghostform from your graveyard to the battlefield attached to Angel of Indemnity Resolve the Umbral Collar Zealot ability
4. Repeat

Results

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