Jon Irenicus, Shattered One, and Kukemssa Serpent

Prerequisites

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

Steps

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

Results

• Draw the game