Marina Vendrell's Grimoire, and Feast of Sanity

Prerequisites

• Marina Vendrell's Grimoire on the battlefield
• Feast of Sanity on the battlefield
• undefined

Steps

1. Discard a card
2. Feast of Sanity triggers, dealing 1 damage to you and causing you to gain 1 life
3. Marina Vendrell's Grimoire triggers twice
4. Resolve the first trigger, causing you to draw a card
5. Resolve the second trigger, causing you to discard a card
6. Repeat from step 2

Results

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