Animation Module, Mana Echoes, and Metallic Mimic

Prerequisites

• Animation Module on the battlefield
• Mana Echoes on the battlefield
• Metallic Mimic on the battlefield
• available

Steps

1. Put a +1/+1 counter on any 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 with a +1/+1 counter on it due to Metallic Mimic, Mana Echoes and Animation Module trigger
4. Resolve the Mana Echoes trigger, adding for each Servo you control
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
• Infinite colorless mana
• Infinite creature tokens
• Infinite +1/+1 counters