Trench Behemoth, Fastbond, and Glimmerpost

Prerequisites

• Trench Behemoth on the battlefield
• Fastbond on the battlefield
• Glimmerpost on the battlefield

Steps

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

Results

• Infinite colorless mana
• Infinite landfall triggers
• Infinite lifegain triggers