Mikaeus, the Unhallowed, Luminous Broodmoth, and Lena, Selfless Champion

Prerequisites

• Mikaeus, the Unhallowed on the battlefield
• Luminous Broodmoth on the battlefield
• Lena, Selfless Champion on the battlefield

Steps

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

Results

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