Celebrity Fencer, Animation Module, and Krark-Clan Ironworks

Prerequisites

• Celebrity Fencer on the battlefield
• Animation Module on the battlefield
• Krark-Clan Ironworks on the battlefield
• You have a way to cause a creature to enter the battlefield

Steps

1. Cause a creature to enter the battlefield
2. Celebrity Fencer triggers, putting a +1/+1 counter on itself
3. Krark-Clan Ironworks triggers, causing you to pay to create a 1/1 Servo artifact creature token
4. The Servo enters the battlefield, triggering Celebrity Fencer
5. Holding priority, activate Krark-Clan Ironworks by sacrificing the Servo, adding
6. Resolve the Celebrity Fencer trigger, putting a +1/+1 counter on it
7. Repeat from step 3

Results

• Infinite +1/+1 counters on Celebrity Fencer
• Infinite colorless mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers