Liliana, Untouched by Death, Rooftop Storm, and Repository Skaab

Prerequisites

• Liliana, Untouched by Death on the battlefield
• Rooftop Storm on the battlefield
• Repository Skaab 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 Repository Skaab either from your hand or from your graveyard by paying
3. When Repository Skaab enters, it triggers, causing you to sacrifice it
4. Repository Skaab triggers, returning an instant or sorcery card from your graveyard to your hand
5. Repeat from step 2

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite storm count
• Return all instant and sorcery cards from your graveyard to your hand