Brion Stoutarm, Adarkar Valkyrie, and Village Bell-Ringer

Prerequisites

• Brion Stoutarm on the battlefield
• Adarkar Valkyrie on the battlefield
• Village Bell-Ringer on the battlefield
• Brion Stoutarm and Adarkar Valkyrie do not have summoning sickness
• You control a creature that can tap to produce at least

Steps

1. Activate Adarkar Valkyrie by tapping it, targeting Village Bell-Ringer
2. Activate a creature you control by tapping it, adding at least
3. Activate Brion Stoutarm by paying , tapping it and sacrificing Village Bell-Ringer
4. When Village Bell-Ringer dies, Adarkar Valkyrie triggers, returning Village Bell-Ringer to the battlefield from your graveyard
5. When Village Bell-Ringer enters the battlefield, it triggers, untapping all creatures you control
6. Resolve the Brion Stoutarm ability from step 3, dealing damage equal to Village Bell-Ringer's power to an opponent and causing you to gain that much life
7. Repeat

Results

• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite LTB
• Infinite sacrifice triggers
• Infinite untap of all creatures you control
• Infinite untap of creatures you control
• Infinite mana creatures you control can produce