Mikaeus, the Unhallowed, Luminous Broodmoth, and Dimir House Guard

Prerequisites

• Mikaeus, the Unhallowed on the battlefield
• Luminous Broodmoth on the battlefield
• Dimir House Guard on the battlefield

Steps

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

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers