Jon Irenicus, Shattered One, and Giant Shark

Prerequisites

• Jon Irenicus, Shattered One on the battlefield
• Giant Shark on the battlefield
• Assault Suit attached to Giant Shark
• A player controls no Islands

Steps

1. At the beginning of your end step, Jon Irenicus triggers, giving control of Giant Shark to an opponent who controls no Islands
2. When Giant Shark's controller controls no Islands, Giant Shark triggers, causing them to sacrifice it
3. However, Giant Shark cannot be sacrificed due to its ability
4. Giant Shark triggers again, creating a mandatory infinite loop that causes the game to end in a draw

Results

• Draw the game