Loyal Retainers, Karmic Guide, Umbral Collar Zealot, and Moritte of the Frost

Prerequisites

• Loyal Retainers on the battlefield
• Karmic Guide on the battlefield
• Umbral Collar Zealot on the battlefield
• Moritte of the Frost in the graveyard

Steps

1. Activate Loyal Retainers by sacrificing it, returning Moritte of the Frost from your graveyard to the battlefield as a copy of Karmic Guide
2. When Moritte of the Frost enters the battlefield, it triggers, returning Loyal Retainers from your graveyard to the battlefield
3. Activate Umbral Collar Zealot by sacrificing Moritte of the Frost
4. Repeat

Results

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