Sun Titan, Angelic Renewal, and Umbral Collar Zealot

Prerequisites

• Sun Titan on the battlefield
• Angelic Renewal on the battlefield
• Umbral Collar Zealot on the battlefield

Steps

1. Activate Umbral Collar Zealot by sacrificing Sun Titan
2. When Sun Titan dies, Angelic Renewal triggers, causing you to sacrifice Angelic Renewal and return Sun Titan from your graveyard to the battlefield
3. When Sun Titan enters, it triggers, returning Angelic Renewal from your graveyard to the battlefield
4. Resolve the Umbral Collar Zealot ability
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite surveil 1