The Sibsig Ceremony + Hamza, Guardian of Arashin + Myr Retriever + Scrap Trawler

The Sibsig Ceremony

Hamza, Guardian of Arashin

Myr Retriever

Scrap Trawler

How it works

1. Cast Myr Retriever by paying 0.
2. When Myr Retriever enters the battlefield, The Sibsig Ceremony triggers, destroying Myr Retriever and creating a 2/2 Zombie Druid creature token.
3. When Myr Retriever dies, it triggers, returning Scrap Trawler from your graveyard to your hand.
4. Cast Scrap Trawler by paying 0.
5. When Scrap Trawler enters the battlefield, The Sibsig Ceremony triggers, destroying Scrap Trawler and creating a 2/2 Zombie Druid creature token.
6. When Scrap Trawler dies, it triggers, returning Myr Retriever from your graveyard to your hand.
7. Repeat.