Emeria Shepherd, World Shaper, Thaumatog, and Shilgengar, Sire of Famine

Prerequisites

• Emeria Shepherd on the battlefield
• World Shaper on the battlefield
• Thaumatog on the battlefield
• Shilgengar, Sire of Famine on the battlefield

Steps

1. Activate Thaumatog by sacrificing a land
2. Repeat step 1 until you control no lands
3. Activate Shilgengar by sacrificing World Shaper
4. When World Shaper dies, it triggers, return all lands from your graveyard to the battlefield tapped
5. When the lands enter, Emeria Shepherd triggers that many times
6. Resolve an Emeria Shepherd trigger that was triggered by a Plains, returning World Shaper from your graveyard to the battlefield
7. Resolve all remaining Emeria Shepherd triggers
8. Resolve the Shilgengar ability
9. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite self-mill
• Infinite landfall triggers
• Return all nonland permanents from your graveyard to the battlefield
• Infinite Blood tokens
• Infinitely large Thaumatog until end of turn