Demonlord Belzenlok, Selective Memory, and Thassa's Oracle

Prerequisites

• Demonlord Belzenlok in hand
• Selective Memory in hand
• Thassa's Oracle in hand
• available

Steps

1. Cast Selective Memory by paying , exiling all nonland cards in your library
2. Cast Demonlord Belzenlok by paying
3. When Demonlord Belzenlok enters the battlefield, it triggers, exiling the remainder of your library
4. Cast Thassa's Oracle by paying
5. When Thassa's Oracle enters the battlefield, it triggers, causing you to win the game

Results

• Win the game
• Exile your library