Xavier Sal, Infested Captain, Animation Module, Thornbite Staff, and Pitiless Plunderer

Prerequisites

• Xavier Sal, Infested Captain on the battlefield
• Animation Module on the battlefield
• Thornbite Staff on the battlefield
• Pitiless Plunderer on the battlefield
• You control at least one creature with one or more +1/+1 counters on it
• You control at least one other creature
• Thornbite Staff attached to Xavier Sal
• Xavier Sal does not have summoning sickness

Steps

1. Activate Xavier Sal's second ability by tapping it and sacrificing a creature
2. When the creature dies, Xavier Sal and Pitiless Plunderer trigger
3. Resolve the Xavier Sal trigger, untapping it
4. Resolve the Pitiless Plunderer trigger, creating a Treasure token
5. Activate the Treasure by tapping and sacrificing it, adding
6. Resolve the Xavier Sal ability from step 1, putting a +1/+1 counter on a creature you control
7. Animation Module triggers, causing you to pay to create a 1/1 Servo artifact creature token
8. Repeat
9. Once you have infinite +1/+1 counters among creatures you control, you may instead use Xavier Sal's first ability to get infinite copies of creature tokens you control

Results

• Infinite copies of creature tokens you control
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite proliferate
• Infinite sacrifice triggers