Mikaeus, the Unhallowed + Luminous Broodmoth + Yahenni, Undying Partisan

Prerequisites

• You control another nontoken creature that is not a Human and does not have flying.

Steps

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

Effects

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