Animation Module, Phyrexian Altar, and Wildwood Mentor

Prerequisites

• Animation Module on the battlefield
• Phyrexian Altar on the battlefield
• Wildwood Mentor 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, Wildwood Mentor's first ability triggers
4. Holding priority, activate Phyrexian Altar by sacrificing the Servo, adding
5. Resolve the Wildwood Mentor trigger, putting a +1/+1 counter on it
6. Repeat from step 2

Results

• Infinite +1/+1 counters on Wildwood Mentor
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers