Prerequisites
- Atla Palani, Nest Tender on the battlefield
- Maskwood Nexus on the battlefield
- Reaper King on the battlefield
- Ulamog, the Infinite Gyre on the battlefield or in your library
- You have a way to cause a creature to enter the battlefield under your control
- You have a way to sacrifice Ulamog
Steps
- Cause a creature to enter the battlefield under your control by any method
- When that creature enters the battlefield, Reaper King triggers, destroying that creature
- Resolve Atla Palani's trigger, revealing cards from the top of your library until you reveal a creature card and putting it onto the battlefield
- Repeat from step 2 until Ulamog enters the battlefield, or until you choose to end the loop by destroying an opponent's permanent
- If Ulamog enters the battlefield, it cannot be destroyed by Reaper King since it is indestructible; sacrifice it by any method instead
- When Ulamog dies, it and Atla Palani trigger
- Resolve Ulamog's trigger, shuffling your graveyard into your library
- Continue from step 3
Results
- Infinite death triggers
- Infinite ETB
- Infinite LTB
- Put all creatures from your library onto the battlefield, then they die
Required Cards 4
Atla Palani, Nest Tender
Legendary Creature — Human Shaman
Reaper King
Legendary Artifact Creature — Scarecrow
Ulamog, the Infinite Gyre
Legendary Creature — Eldrazi