Thornbite Staff, Ashnod's Altar, and Emmara, Soul of the Accord

Prerequisites

• Thornbite Staff on the battlefield
• Ashnod's Altar on the battlefield
• Emmara, Soul of the Accord on the battlefield
• available

Steps

1. Activate Emmara using the ability granted to it by Thornbite Staff by paying and tapping it
2. Emmara triggers, creating a creature token
3. Resolve the Emmara ability from step 1, dealing 1 damage to any target
4. Activate Ashnod's Altar by sacrificing the creature token
5. When the creature token dies, Emmara triggers, untapping Emmara
6. Repeat

Results

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