Zask, Skittering Swarmlord, Verdant Succession, and Altar of Dementia

Prerequisites

• Zask, Skittering Swarmlord on the battlefield
• Verdant Succession on the battlefield
• Altar of Dementia on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing another nontoken green Insect
2. When the Insect dies, Zask and Verdant Succession trigger
3. Resolve the Zask trigger, putting the Insect on the bottom of your library from your graveyard and causing you to mill two cards
4. Resolve the Verdant Succession trigger, searching your library for that Insect and putting it onto the battlefield
5. Resolve the Altar of Dementia ability
6. Repeat

Results

• Infinite self-mill
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite mill
• Near-infinite death triggers
• Near-infinite sacrifice triggers