Sheoldred, the Apocalypse, Vilis, Broker of Blood, and Cavern Harpy

Prerequisites

• Sheoldred, the Apocalypse on the battlefield
• Vilis, Broker of Blood on the battlefield
• Cavern Harpy on the battlefield
• Your life total is at least 2

Steps

1. Activate Cavern Harpy by paying 1 life
2. Vilis triggers, causing you to draw a card
3. Sheoldred's first ability triggers, causing you to gain 2 life
4. Repeat as desired
5. Resolve all Cavern Harpy abilities

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite lifegain
• Near-infinite lifegain triggers