Ayula, Queen Among Bears, Maskwood Nexus, Animation Module, and Ashnod's Altar

Prerequisites

• Ayula, Queen Among Bears on the battlefield
• Maskwood Nexus on the battlefield
• Animation Module on the battlefield
• Ashnod's Altar 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. Ayula triggers, putting two +1/+1 counters on any creature you control
3. Animation Module triggers, causing you to pay to create a 1/1 Servo artifact creature token
4. The Servo enters the battlefield, triggering Ayula
5. Holding priority, activate Ashnod's Altar by sacrificing the Servo, adding
6. Resolve the Ayula trigger, putting two +1/+1 counters on any creature you control
7. Repeat from step 3

Results

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