Verdant Succession + Arashin Sovereign + Altar of Dementia

Verdant Succession

Arashin Sovereign

Altar of Dementia

How it works

1. Activate Altar of Dementia by sacrificing Arashin Sovereign.
2. Arashin Sovereign dies, triggering itself and Verdant Succession.
3. Resolve the Arashin Sovereign trigger, putting it on top of your library.
4. Resolve the Verdant Succession trigger, searching your library for Arashin Sovereign, putting it onto the battlefield and shuffling your library.
5. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Arashin Sovereign's power.
6. Repeat.