Thornbite Staff, Godsire, and Yahenni, Undying Partisan

Prerequisites

• Thornbite Staff on the battlefield
• Godsire on the battlefield
• Yahenni, Undying Partisan on the battlefield

Steps

1. Activate Godsire by tapping it, creating a creature token
2. Activate Yahenni by sacrificing the creature token
3. When the creature token dies, Godsire triggers due to its ability granted to it by Thornbite Staff, untapping Godsire
4. Resolve the Yahenni ability, Repeat

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers