Jon Irenicus, Shattered One, and Tethered Griffin

Prerequisites

• Jon Irenicus, Shattered One on the battlefield
• Tethered Griffin on the battlefield
• An opponent controls no enchantments

Steps

1. At the beginning of your end step, Jon Irenicus triggers, giving 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 its ability
4. Tethered Griffin triggers again, creating a mandatory infinite loop that causes the game to end in a draw

Results

• Draw the game