Animation Module, Cathars' Crusade, and Ashnod's Altar

Prerequisites

• Animation Module on the battlefield
• Cathars' Crusade on the battlefield
• Ashnod's Altar 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 any creature you control
2. Animation Module triggers, causing you to pay to create a 1/1 Servo artifact creature token
3. The Servo enters the battlefield, triggering Cathars' Crusade
4. Holding priority, activate Ashnod's Altar by sacrificing the Servo, adding
5. Resolve the Cathars' Crusade trigger, putting a +1/+1 on each creature you control
6. Animation Module triggers for each +1/+1 counter placed this way
7. Resolve all but one Animation Module trigger, choosing not to pay
8. Resolve the final Animation Module trigger, causing you to pay to create a 1/1 Servo artifact creature token
9. 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