Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Vizier of Remedies, and Fanatical Firebrand

Prerequisites

• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight on the battlefield
• Vizier of Remedies on the battlefield
• Fanatical Firebrand on the battlefield

Steps

1. Activate Fanatical Firebrand by tapping it and sacrificing it
2. When Fanatical Firebrand dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Vizier of Remedies
3. Resolve the Fanatical Firebrand ability
4. Repeat

Results

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