Nether Traitor, Kheru Goldkeeper, Umbral Collar Zealot, and Teval, the Balanced Scale

Prerequisites

• Nether Traitor on the battlefield
• Kheru Goldkeeper on the battlefield
• Umbral Collar Zealot on the battlefield
• Teval, the Balanced Scale on the battlefield
• available

Steps

1. Activate Umbral Collar Zealot by sacrificing Nether Traitor
2. Activate Umbral Collar Zealot by sacrificing another creature
3. When the creature dies, Nether Traitor triggers, causing you to pay to return Nether Traitor from your graveyard to the battlefield
4. Kheru Goldkeeper and Teval triggers, creating a Treasure token and a creature token Resolve the Umbral Collar Zealot ability
5. Activate the Treasure by tapping and sacrificing it, adding
6. Repeat

Results

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