Feast of Sanity, and Lich's Mastery

Prerequisites

• Feast of Sanity on the battlefield
• Lich's Mastery on the battlefield

Steps

1. During your cleanup step, discard to your maximum hand size
2. Feast of Sanity triggers for each card discarded this way
3. Resolve the first Feast of Sanity trigger, dealing 1 damage to any target and causing you to gain 1 life
4. Lich's Mastery triggers, causing you to draw a card
5. Repeat from step 3 for each remaining Feast of Sanity trigger
6. Repeat from step 2

Results

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