The Sibsig Ceremony, Scrap Trawler, Myr Retriever, and Umori, the Collector Combo

The Sibsig Ceremony, Scrap Trawler, Myr Retriever, and Umori, the Collector

Here's how the cards The Sibsig Ceremony, Scrap Trawler, Myr Retriever, and Umori, the Collector results in Infinite LTB, Infinite ETB, Infinite death triggers, Infinite storm count, Infinite creature tokens, and Infinite sacrifice triggers

The Sibsig Ceremony

Scrap Trawler

Myr Retriever

Umori, the Collector

Prerequisites

The Sibsig Ceremony on the battlefield
Scrap Trawler in hand or in the graveyard
Myr Retriever in hand or in the graveyard
Umori, the Collector on the battlefield

Steps

Cast Myr Retriever by paying
When Myr Retriever enters the battlefield, The Sibsig Ceremony triggers, destroying Myr Retriever and creating a 2/2 Zombie Druid creature token
When Myr Retriever dies, it triggers, returning Scrap Trawler from your graveyard to your hand
Cast Scrap Trawler by paying
When Scrap Trawler enters the battlefield, The Sibsig Ceremony triggers, destroying Scrap Trawler and creating a 2/2 Zombie Druid creature token
When Scrap Trawler dies, it triggers, returning Myr Retriever from your graveyard to your hand
Repeat