Gulping Scraptrap, Thornbite Staff, Venser, Corpse Puppet, and Whisper, Blood Liturgist

Prerequisites

• Gulping Scraptrap on the battlefield
• Thornbite Staff on the battlefield
• Venser, Corpse Puppet on the battlefield
• Whisper, Blood Liturgist on the battlefield
• Whisper does not have summoning sickness
• Thornbite Staff attached to Whisper
• 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 the creatures die, Gulping Scraptrap triggers once and Whisper triggers twice
3. Resolve the Whisper triggers, untapping it
4. Resolve the Gulping Scraptrap trigger, causing you to proliferate
5. Venser triggers, creating a legendary 3/3 Hollow Sentinel artifact creature token
6. Resolve the Whisper ability from step 1, returning a creature card from your graveyard to the battlefield
7. Activate Whisper by tapping it and sacrificing The Hollow Sentinel and another creature you control
8. When the creatures die, Whisper triggers twice, untapping Whisper
9. Resolve the Whisper ability from step 7, returning Gulping Scraptrap from your graveyard to the battlefield
10. When Gulping Scraptrap enters the battlefield, it triggers, causing you to proliferate
11. Venser triggers, creating a legendary 3/3 Hollow Sentinel artifact creature token
12. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite proliferate
• Infinite sacrifice triggers