Audacious Reshapers, Mortuary, Intruder Alarm, and Peace Strider

Prerequisites

• Audacious Reshapers on the battlefield
• Mortuary on the battlefield
• Intruder Alarm on the battlefield
• Peace Strider on the battlefield
• Audacious Reshapers does not have summoning sickness
• Your life total is at least 2

Steps

1. Activate Audacious Reshapers by tapping it and sacrificing Peace Strider
2. When Peace Strider dies, Mortuary triggers, putting Peace Strider on top of your library from your graveyard
3. Resolve the Audacious Reshapers ability, revealing Peace Strider from the top of your library, then putting it onto the battlefield and dealing 1 damage to you
4. When Peace Strider enters the battlefield, it and Intruder Alarm trigger
5. Resolve the Intruder Alarm trigger, untapping all creatures
6. Resolve the Peace Strider trigger, causing you to gain 3 life
7. Repeat

Results

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