Gulping Scraptrap, Intruder Alarm, Venser, Corpse Puppet, and Whisper, Blood Liturgist

Prerequisites

• Gulping Scraptrap on the battlefield
• Intruder Alarm on the battlefield
• Venser, Corpse Puppet on the battlefield
• Whisper, Blood Liturgist on the battlefield
• Whisper does not have summoning sickness
• You have a creature card in your graveyard
• You control at least one additional creature

Steps

1. Activate Whisper by tapping it and sacrificing Gulping Scraptrap and another creature
2. When Gulping Scraptrap dies, it triggers, causing you to proliferate
3. Venser triggers, creating a legendary 3/3 Hollow Sentinel artifact creature token
4. When The Hollow Sentinel enters the battlefield, Intruder Alarm triggers, untapping all creatures
5. Resolve the Whisper ability, returning a creature card from your graveyard to the battlefield
6. When the creature enters the battlefield, Intruder Alarm triggers, untapping all creatures
7. Activate Whisper by tapping it and sacrificing The Hollow Sentinel and another creature you control, returning Gulping Scraptrap from your graveyard to the battlefield
8. When Gulping Scraptrap enters the battlefield, it and Intruder Alarm trigger
9. Resolve the Intruder Alarm trigger, untapping all creatures
10. Resolve the Gulping Scraptrap trigger, causing you to proliferate
11. Venser triggers, creating a legendary 3/3 Hollow Sentinel artifact creature token
12. When The Hollow Sentinel enters the battlefield, Intruder Alarm triggers, untapping all creatures
13. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite proliferate
• Infinite sacrifice triggers
• Infinite untap of all creatures