Nether Traitor, Blasting Station, Sek'Kuar, Deathkeeper, and Elven Chorus

Prerequisites

• Nether Traitor on the battlefield
• Blasting Station on the battlefield
• Sek'Kuar, Deathkeeper on the battlefield
• Elven Chorus on the battlefield

Steps

1. Activate Blasting Station by sacrificing Nether Traitor Sek'Kuar triggers, creating a 3/1 Graveborn creature token creature with haste
2. Resolve the Blasting Station ability, dealing 1 damage to its target
3. Activate the Graveborn token using the ability granted by Elven Chorus by tapping it, adding
4. Activate Blasting Station by sacrificing the Graveborn token Nether Traitor triggers, causing you to pay to return it from your graveyard to the battlefield
5. Resolve the Blasting Station ability, dealing 1 damage to its target
6. Activate Nether Traitor using the ability granted by Elven Chorus by tapping it, adding
7. Repeat

Results

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