Enduring Renewal, Umbral Collar Zealot, and Burning-Tree Emissary

Prerequisites

• Enduring Renewal on the battlefield
• Umbral Collar Zealot on the battlefield
• Burning-Tree Emissary in hand
• available

Steps

1. Cast Burning-Tree Emissary by paying its mana cost
2. When Burning-Tree Emissary enters, it triggers, adding
3. Activate Umbral Collar Zealot by sacrificing Burning-Tree Emissary
4. When Burning-Tree Emissary dies, Enduring Renewal triggers, returning Burning-Tree Emissary from your graveyard to your hand
5. Resolve the Umbral Collar Zealot ability, causing you to surveil 1
6. Repeat

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite storm count
• Infinite surveil