Carrion Feeder + Luminous Broodmoth + Mikaeus, the Unhallowed

WB identity

Commander legal

The 3 combo pieces

• Carrion Feeder
• Luminous Broodmoth
• Mikaeus, the Unhallowed

How to execute it

1. Activate Carrion Feeder by sacrificing it.
2. When Carrion Feeder dies, its undying ability triggers if it didn't have a +1/+1 counter, and Luminous Broodmoth triggers if Carrion Feeder didn't have flying.
3. Resolve the undying trigger, if applicable, returning Carrion Feeder from your graveyard to the battlefield with a +1/+1 counter on it.
4. Resolve the Luminous Broodmoth trigger, if applicable, returning Carrion Feeder from your graveyard to the battlefield with a flying counter on it if Carrion Feeder is still in your graveyard.
5. Resolve the Carrion Feeder ability.
6. Repeat.

What the combo produces

• Infinite +1/+1 counters on a creature
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers