Serendib Djinn, and Assault Suit

Prerequisites

• Serendib Djinn on the battlefield
• Assault Suit on the battlefield
• Assault Suit attached to Serendib Djinn
• A player controls no lands

Steps

1. If needed, give control of Serendib Djinn to an opponent who controls no lands
2. When Serendib Djinn's controller controls no lands, Serendib Djinn triggers, causing them to sacrifice it
3. However, Serendib Djinn cannot be sacrificed due to Assault Suit
4. Serendib Djinn triggers again, creating a mandatory infinite loop that causes the game to end in a draw

Results

• Draw the game