Xavier Sal, Infested Captain, Venser, Corpse Puppet, and Thornbite Staff

Prerequisites

• Xavier Sal, Infested Captain on the battlefield
• Venser, Corpse Puppet on the battlefield
• Thornbite Staff on the battlefield
• You control at least one additional creature
• Xavier Sal does not have summoning sickness
• Thornbite Staff attached to Xavier Sal

Steps

1. Activate Xavier Sal's second ability by tapping it and sacrificing another creature you control
2. When the creature dies, Xavier Sal triggers, untapping itself
3. Resolve the Xavier Sal ability from step 1, causing you to proliferate
4. Venser triggers, creating a 3/3 The Hollow Sentinel legendary artifact creature token
5. Repeat

Results

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