Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Melira, Sylvok Outcast, and Umbral Collar Zealot Combo

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Melira, Sylvok Outcast, and Umbral Collar Zealot

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

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

Melira, Sylvok Outcast

Umbral Collar Zealot

Prerequisites

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight on the battlefield
Melira, Sylvok Outcast on the battlefield
Umbral Collar Zealot on the battlefield

Steps

Activate Umbral Collar Zealot by sacrificing Melira
When Melira dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its static effect
Resolve the Umbral Collar Zealot ability
Repeat