Mikaeus, the Unhallowed, Luminous Broodmoth, and Spore Frog

Prerequisites

• Mikaeus, the Unhallowed on the battlefield
• Luminous Broodmoth on the battlefield
• Spore Frog on the battlefield

Steps

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

Results

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