Animation Module, Securitron Squadron, and Mana Echoes

Prerequisites

• Animation Module on the battlefield
• Securitron Squadron on the battlefield
• Mana Echoes 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, Securitron Squadron and Mana Echoes trigger
4. Resolve the Mana Echoes trigger, adding for each Servo you control
5. Resolve the Securitron Squadron trigger, putting a +1/+1 counter on the Servo
6. Repeat from step 2

Results

• Infinite ETB
• Infinite colorless mana
• Infinite creature tokens