Morophon, the Boundless, Liliana, Untouched by Death, and Accursed Centaur

Prerequisites

• Morophon, the Boundless on the battlefield
• Liliana, Untouched by Death on the battlefield
• Accursed Centaur 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 Accursed Centaur either from your hand or from your graveyard by paying
3. Accursed Centaur enters the battlefield, sacrificing itself
4. Repeat from step 2

Results

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