Trench Behemoth, Fastbond, and Kazandu Refuge

Prerequisites

• Trench Behemoth on the battlefield
• Fastbond on the battlefield
• Kazandu Refuge on the battlefield

Steps

1. Activate Trench Behemoth by returning Kazandu Refuge from the battlefield to your hand, untapping it
2. Play Kazandu Refuge, triggering it and Fastbond
3. Resolve the Kazandu Refuge 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