Morophon, the Boundless, Liliana, Untouched by Death, and Carrion Feeder

Prerequisites

• Morophon, the Boundless on the battlefield
• Liliana, Untouched by Death on the battlefield
• Carrion Feeder in hand or in the graveyard
• "Zombie" or "Centaur" chosen with Morophon
• Liliana has at least three loyalty counters

Steps

1. Activate Liliana by removing three loyalty counters from it, allowing you to cast Zombie cards from your graveyard this turn
2. Cast Carrion Feeder either from your hand or from your graveyard by paying
3. Activate Carrion Feeder by sacrificing it, not putting a +1/+1 counter on it due to it no longer being on the battlefield
4. Repeat from step 2

Results

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