Feast of Sanity, and Ripjaw Raptor

Prerequisites

• Feast of Sanity on the battlefield
• Ripjaw Raptor on the battlefield
• You have between eight and eleven cards in your hand

Steps

1. Proceed to your cleanup step, causing you to discard down to your maximum hand size and remove all damage from all permanents
2. Feast of Sanity triggers for each card discarded this way
3. Resolve the first trigger, dealing 1 damage to Ripjaw Raptor and causing you to gain one life
4. Ripjaw Raptor triggers, causing you to draw a card
5. Repeat from step 3 as necessary for each remaining trigger
6. Once all triggers have been resolved, and all players pass priority, another cleanup step will occur, causing you to discard down to your maximum hand size and remove all damage from all permanents
7. Repeat from step 2

Results

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