Animation Module, Intruder Alarm, and Railway Brawler

Prerequisites

• Animation Module on the battlefield
• Intruder Alarm on the battlefield
• Railway Brawler on the battlefield
• Creatures you control can tap to produce at least
• You have a way to cause a creature to enter the battlefield without a -1/-1 counter on it

Steps

1. Cause a creature to enter the battlefield Intruder Alarm and Railway Brawler trigger
2. Resolve the Intruder Alarm trigger, untapping all creatures
3. Holding priority, activate a mana-producing creature by tapping it, adding at least
4. Resolve the Railway Brawler trigger, putting a +1/+1 counter on the creature that entered the battlefield
5. Animation Module triggers, causing you to pay to create a 1/1 Servo artifact creature token
6. Repeat from step 2

Results

• Infinite creature tokens
• Infinite ETB
• Infinite mana creatures you control can produce
• Infinite untap of all creatures