Ob Nixilis, Unshackled, Animation Module, and Krark-Clan Ironworks

Prerequisites

• Ob Nixilis, Unshackled on the battlefield
• Animation Module on the battlefield
• Krark-Clan Ironworks on the battlefield
• You control at least one artifact creature

Steps

1. Activate Krark-Clan Ironworks by sacrificing an artifact creature, adding
2. When the creature dies, Ob Nixilis' second ability triggers, putting a +1/+1 counter on Ob Nixilis
3. Animation Module triggers, causing you to pay to create a 1/1 Servo artifact creature token
4. Repeat

Results

• Infinite +1/+1 counters on Ob Nixilis
• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers