Xavier Sal, Infested Captain, Animation Module, Thornbite Staff, and Earthcraft

Prerequisites

• Xavier Sal, Infested Captain on the battlefield
• Animation Module on the battlefield
• Thornbite Staff on the battlefield
• Earthcraft on the battlefield
• You control a creature that has at least one +1/+1 counter on it
• You control at least one other creature
• Thornbite Staff attached to Xavier Sal
• Xavier Sal does not have summoning sickness
• You control at least one basic land

Steps

1. Activate a basic land you control by tapping it, adding
2. Activate Xavier Sal's second ability by tapping it and sacrificing a creature
3. When the creature dies, Xavier Sal triggers, untapping Xavier Sal
4. Resolve the Xavier Sal ability from step 1, putting a +1/+1 counter on a creature you control
5. Animation Module triggers, causing you to pay to create a 1/1 Servo artifact creature token
6. Activate Earthcraft by sacrificing the Servo, untapping a basic land you control
7. Repeat
8. 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, and tap those tokens to get infinite mana from basic lands

Results

• Infinite copies of creature tokens you control
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mana basic lands you control can produce
• Infinite proliferate
• Infinite sacrifice triggers
• Infinite untap of basic lands you control