Lumra, Bellow of the Woods, Mirrorpool, Zuran Orb, and Stone-Seeder Hierophant

Prerequisites

• Lumra, Bellow of the Woods on the battlefield
• Mirrorpool on the battlefield
• Zuran Orb on the battlefield
• Stone-Seeder Hierophant on the battlefield

Steps

1. Activate any number of other lands by tapping them, adding at least
2. Activate Zuran Orb by sacrificing a land except Mirrorpool
3. Repeat step 2 until you control no lands except Mirrorpool
4. Activate Mirrorpool's third ability by paying , tapping and sacrificing it, creating a token copy of Lumra
5. Put the Lumra token into your graveyard due to the legend rule
6. The Lumra token's enters-the-battlefield ability triggers, causing you to mill four cards and return all land cards from your graveyard to the battlefield tapped
7. When the lands enter the battlefield, Stone-Seeder Hierophant triggers that many times
8. Resolve the first trigger, untapping Stone-Seeder Hierophant
9. Holding priority, activate Stone-Seeder Hierophant by tapping it, untapping a land
10. Repeat from step 8 for the remaining triggers
11. Repeat from step 1

Results

• Infinite ETB
• Infinite death triggers
• Infinite self-mill
• Infinite lifegain triggers
• Infinite lifegain
• Infinite mana lands you control can produce
• Infinite landfall triggers
• Put all land cards from your library and graveyard onto the battlefield