Ashaya, Soul of the Wild, Stone-Seeder Hierophant, Scaretiller, and Riveteers Overlook

Prerequisites

• Ashaya, Soul of the Wild on the battlefield
• Stone-Seeder Hierophant on the battlefield
• Scaretiller on the battlefield
• Riveteers Overlook in hand
• Scaretiller is untapped
• You have a basic Mountain, Forest or Swamp in library

Steps

1. Play Riveteers Overlook
2. Riveteers Overlook enters the battlefield, triggering itself and Stone-Seeder Hierophant
3. Resolve the Stone-Seeder Hierophant trigger, untapping it
4. Activate Stone-Seeder Hierophant by tapping it, untapping any land you control
5. Resolve the Riveteers Overlook trigger, causing you to sacrifice it, then search your library for a basic Forest, Swamp or Mountain card, put it onto the battlefield tapped, and gain 1 life
6. The basic land enters the battlefield, triggering Stone-Seeder Hierophant, untapping Stone-Seeder Hierophant
7. Activate Stone-Seeder Hierophant by tapping it, untapping Scaretiller
8. Activate Scaretiller by tapping it, adding
9. Scaretiller triggers, returning Riveteers Overlook from your graveyard to the battlefield tapped
10. Repeat from step 2

Results

• Near-infinite landfall triggers
• Near-infinite lifegain
• Near-infinite lifegain triggers
• Near-infinite mana lands you control can produce
• Put all basic Forests, Mountains, and Swamps from your library onto the battlefield tapped