Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Umbral Collar Zealot, and Peema Outrider Combo

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Umbral Collar Zealot, and Peema Outrider

Here's how the cards Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Umbral Collar Zealot, and Peema Outrider results in Infinite LTB, Infinite ETB, Infinite sacrifice triggers, Infinite death triggers, and Infinite surveil 1

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

Umbral Collar Zealot

Peema Outrider

Prerequisites

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight on the battlefield
Umbral Collar Zealot on the battlefield
Peema Outrider on the battlefield

Steps

Activate Umbral Collar Zealot by sacrificing Peema Outrider
When Peema Outrider dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
When Peema Outrider enters, its fabricate ability triggers, putting a +1/+1 counter on it
Resolve the Umbral Collar Zealot ability
Repeat