Trench Behemoth, Fastbond, and Thornwood Falls

Prerequisites

• Trench Behemoth on the battlefield
• Fastbond on the battlefield
• Thornwood Falls on the battlefield

Steps

1. Activate Trench Behemoth by returning Thornwood Falls from the battlefield to your hand, untapping it
2. Play Thornwood Falls, triggering it and Fastbond
3. Resolve the Thornwood Falls trigger, causing you to gain 1 life
4. Resolve the Fastbond trigger, dealing 1 damage to you
5. Repeat

Results

• Infinite landfall triggers
• Infinite lifegain triggers