Nether Traitor, Bloodthrone Vampire, Sek'Kuar, Deathkeeper, and Elven Chorus

Prerequisites

• Nether Traitor on the battlefield
• Bloodthrone Vampire on the battlefield
• Sek'Kuar, Deathkeeper on the battlefield
• Elven Chorus on the battlefield

Steps

1. Activate Bloodthrone Vampire by sacrificing Nether Traitor Sek'Kuar triggers, creating a 3/1 Graveborn creature token creature with haste
2. Resolve the Bloodthrone Vampire ability, giving it +2/+2 until end of turn
3. Activate the Graveborn token using the ability granted by Elven Chorus by tapping it, adding
4. Activate Bloodthrone Vampire by sacrificing the Graveborn token Nether Traitor triggers, causing you to pay to return it from your graveyard to the battlefield
5. Resolve the Bloodthrone Vampire ability, giving it +2/+2 until end of turn
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 death triggers
• Infinitely large creature until end of turn