Animation Module, Sigil Captain, and Phyrexian Altar

Prerequisites

• Animation Module on the battlefield
• Sigil Captain on the battlefield
• Phyrexian Altar on the battlefield
• You have a way to put a +1/+1 counter on a creature you control
• available

Steps

1. Put a +1/+1 counter on a creature you control
2. Animation Module triggers, causing you to pay to create a 1/1 Servo artifact creature token
3. When the Servo enters the battlefield, Sigil Captain triggers, putting two +1/+1 counters on the Servo
4. Animation Module triggers, holding priority, activate Phyrexian Altar by sacrificing the Servo, adding
5. Resolve the Animation Module trigger, causing you to pay to create a 1/1 Servo artifact creature token
6. Repeat from step 3

Results

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