Assault Suit, and Kukemssa Serpent

Prerequisites

• Assault Suit on the battlefield
• Kukemssa Serpent on the battlefield
• Assault Suit attached to Kukemssa Serpent
• A player controls no Islands

Steps

1. If needed, give 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 Assault Suit
4. Kukemssa Serpent triggers again, creating a mandatory infinite loop that causes the game to end in a draw

Results

• Draw the game