Mikaeus, the Unhallowed, Luminous Broodmoth, and Crosis's Attendant

Prerequisites

• Mikaeus, the Unhallowed on the battlefield
• Luminous Broodmoth on the battlefield
• Crosis's Attendant on the battlefield
• available

Steps

1. Activate Crosis's Attendant by paying and sacrificing it
2. When Crosis's Attendant dies, Mikaeus triggers, returning Crosis's Attendant from your graveyard to the battlefield with a +1/+1 counter on it
3. Activate Crosis's Attendant by paying and sacrificing it
4. When Crosis's Attendant dies, Luminous Broodmoth triggers, returning Crosis's Attendant from your graveyard to the battlefield with a flying counter on it
5. Repeat

Results

• Infinite black mana
• Infinite blue mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite red mana