Assault Suit, and Tethered Griffin

Prerequisites

• Assault Suit on the battlefield
• Tethered Griffin on the battlefield
• Assault Suit attached to Tethered Griffin
• A player controls no enchantments

Steps

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

Results

• Draw the game