Intruder Alarm, and Tolsimir Wolfblood

Prerequisites

• Intruder Alarm on the battlefield
• Tolsimir Wolfblood on the battlefield
• Tolsimir does not have summoning sickness

Steps

1. Activate Tolsmir Wolfblood by tapping it, creating a 2/2 Voja legendary creature token
2. If you control two or more Voja tokens, put one of them into your graveyard due to the legend rule
3. The Voja token enters the battlefield, triggering Intruder Alarm, untapping all creatures
4. Repeat

Results

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