Vilis, Broker of Blood, Feast of Sanity, and Iron-Shield Elf

Prerequisites

• Vilis, Broker of Blood on the battlefield
• Feast of Sanity on the battlefield
• Iron-Shield Elf on the battlefield

Steps

1. Activate Iron-Shield Elf by discarding a card
2. Feast of Sanity triggers, dealing 1 damage to you and causing you to gain 1 life
3. Vilis triggers, causing you to draw a card
4. Resolve the Iron-Shield Elf ability, giving Iron-Shield Elf indestructible until end of turn and tapping it Repeat

Results

• Infinite draw triggers
• Infinite looting
• Infinite self-discard triggers
• Near-infinite lifegain triggers