Emeria Shepherd, Aftermath Analyst, Overgrown Estate, and Spelunking

Prerequisites

• Emeria Shepherd on the battlefield
• Aftermath Analyst on the battlefield
• Overgrown Estate on the battlefield
• Spelunking on the battlefield

Steps

1. Activate any number of lands by tapping them, adding at least
2. Activate Overgrown Estate by sacrificing a land
3. Repeat step 2 until you control no lands
4. Activate Aftermath Analyst by paying and sacrificing it, returning all lands from your graveyard to the battlefield untapped due to Spelunking
5. When the lands enter, Emeria Shepherd triggers that many times
6. Resolve an Emeria Shepherd trigger that was triggered by a Plains, returning Aftermath Analyst from your graveyard to the battlefield
7. Resolve all other Emeria Shepherd triggers, returning any number of nonland permanents from your graveyard to either your hand or the battlefield
8. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite lifegain triggers
• Infinite lifegain
• Infinite landfall triggers
• Return all nonland permanents from your graveyard to the battlefield