Mikaeus, the Unhallowed, Luminous Broodmoth, and Saffi Eriksdotter

Prerequisites

• Mikaeus, the Unhallowed on the battlefield
• Luminous Broodmoth on the battlefield
• Saffi Eriksdotter on the battlefield

Steps

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

Results

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