Emeria Shepherd, Lumra, Bellow of the Woods, and Overgrown Estate

Prerequisites

• Emeria Shepherd on the battlefield
• Lumra, Bellow of the Woods on the battlefield
• Overgrown Estate on the battlefield
• available

Steps

1. Cast Lumra by paying
2. When Lumra enters, it triggers
3. Holding priority, activate Overgrown Estate by sacrificing a land
4. Repeat step 3 until you control no lands
5. When you sacrifice the last land, Lumra will die as a state-based action due to having 0 toughness
6. Resolve the Lumra trigger from step 2, causing you to mill four cards and return all lands from your graveyard to the battlefield tapped
7. When the lands enter, Emeria Shepherd triggers that many times
8. Resolve an Emeria Shepherd trigger that was triggered by a Plains, returning Lumra from your graveyard to the battlefield
9. Repeat from step 2

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite self-mill
• Infinite lifegain triggers
• Infinite lifegain
• Infinite landfall triggers
• Put all permanent cards from your graveyard and library onto the battlefield