Mikaeus, the Unhallowed, Luminous Broodmoth, and Extruder

Prerequisites

• Mikaeus, the Unhallowed on the battlefield
• Luminous Broodmoth on the battlefield
• Extruder on the battlefield

Steps

1. Activate Extruder by sacrificing it
2. When Extruder dies, Mikaeus triggers, returning Extruder from your graveyard to the battlefield with a +1/+1 counter on it
3. Resolve the Extruder ability Activate Extruder by sacrificing it
4. When Extruder dies, Luminous Broodmoth triggers, returning Extruder from your graveyard to the battlefield with a flying counter on it
5. Resolve the Extruder ability Repeat

Results

• Infinite +1/+1 counters on creatures you control
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers