Liliana, Untouched by Death, Rooftop Storm, and Accursed Centaur

Prerequisites

• Liliana, Untouched by Death on the battlefield
• Rooftop Storm on the battlefield
• Accursed Centaur in hand or in the graveyard

Steps

1. Activate Liliana's third ability 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. When Accursed Centaur enters, it triggers, causing you to sacrifice it
4. Repeat from step 2

Results

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