The Sibsig Ceremony, Myr Retriever, Scrap Trawler, and Heartless Summoning

Prerequisites

• The Sibsig Ceremony on the battlefield
• Myr Retriever in hand or in the graveyard
• Scrap Trawler in hand or in the graveyard
• Heartless Summoning on the battlefield

Steps

1. Cast Myr Retriever by paying
2. Myr Retriever enters and dies as a state-based action due to having 0 toughness
3. Myr Retriever triggers, returning Scrap Trawler from your graveyard to your hand
4. Cast Scrap Trawler by paying
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

Results

• Infinite LTB
• Infinite ETB
• Infinite death triggers
• Infinite storm count
• Infinite creature tokens