Arwen, Weaver of Hope, Animation Module, Rishkar, Peema Renegade, and Fervor

Prerequisites

• Arwen, Weaver of Hope on the battlefield
• Animation Module on the battlefield
• Rishkar, Peema Renegade on the battlefield
• Fervor on the battlefield
• available

Steps

1. Put a +1/+1 counter on a creature
2. Animation Module triggers, causing you to pay to create a 1/1 Servo artifact creature token that enters with a number of +1/+1 counters on it equal to Arwen's toughness
3. Animation Module triggers
4. Holding priority, activate the Servo by tapping it, adding
5. Resolve the Animation Module trigger, causing you to pay to create a 1/1 Servo artifact creature token that enters with a number of +1/+1 counters on it equal to Arwen's toughness
6. Repeat from step 3

Results

• Infinite ETB
• Infinite tapped creature tokens