Zask, Skittering Swarmlord, Aluren, and Yahenni, Undying Partisan

Prerequisites

• Zask, Skittering Swarmlord on the battlefield
• Aluren on the battlefield
• Yahenni, Undying Partisan on the battlefield

Steps

1. Cast the Insect from your hand or graveyard by paying due to Aluren
2. Activate Yahenni by sacrificing the Insect
3. When the Insect dies, Zask triggers
4. Holding priority, cast the Insect from your graveyard by paying due to Aluren
5. Resolve the Zask ability, causing you to mill two cards
6. Resolve the Yahenni ability
7. Repeat from step 2

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite self-mill
• Infinite storm count