Marina Vendrell's Grimoire, and Horizon Chimera

Prerequisites

• Marina Vendrell's Grimoire in hand
• Horizon Chimera on the battlefield
• available

Steps

1. Cast Marina Vendrell's Grimoire by paying
2. When Marina Vendrell's Grimoire enters the battlefield, its first ability triggers, causing you to draw five cards
3. Horizon Chimera triggers five times
4. Resolve the first Horizon Chimera trigger, causing you to gain 1 life
5. Marina Vendrell's Grimoire's second ability triggers, causing you to draw a card
6. Horizon Chimera triggers, causing you to gain 1 life
7. Repeat from step 5

Results

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