Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Mikaeus, the Unhallowed, and Thermopod Combo

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Mikaeus, the Unhallowed, and Thermopod

Here's how the cards Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Mikaeus, the Unhallowed, and Thermopod results in Infinite LTB, Infinite ETB, Infinite sacrifice triggers, Infinite death triggers, and Infinite red mana

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight

Mikaeus, the Unhallowed

Thermopod

Prerequisites

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight on the battlefield
Mikaeus, the Unhallowed on the battlefield
Thermopod on the battlefield

Steps

Activate Thermopod by sacrificing it
When Thermopod dies, its undying ability triggers, returning Thermopod from your graveyard to the battlefield with a +1/+1 counter on it
Activate Thermopod by sacrificing it
When Thermopod dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
Repeat