Zirda, the Dawnwaker, Amulet of Vigor, Drownyard Temple, and Zuran Orb

Prerequisites

• Zirda, the Dawnwaker on the battlefield
• Amulet of Vigor on the battlefield
• Drownyard Temple on the battlefield
• Zuran Orb on the battlefield

Steps

1. Activate Drownyard Temple's first ability by tapping it, adding
2. Activate Zuran Orb by sacrificing Drownyard Temple, causing you to gain two life
3. Activate Drownyard Temple's second ability by paying , returning it from your graveyard to the battlefield tapped
4. Drownyard Temple enters the battlefield, triggering Amulet of Vigor, untapping Drownyard Temple
5. Repeat

Results

• Infinite landfall triggers
• Infinite lifegain
• Infinite lifegain triggers