Nether Traitor, Evereth, Viceroy of Plunder, Sek'Kuar, Deathkeeper, and Enduring Vitality

Prerequisites

• Nether Traitor on the battlefield
• Evereth, Viceroy of Plunder on the battlefield
• Sek'Kuar, Deathkeeper on the battlefield
• Enduring Vitality on the battlefield

Steps

1. Activate Evereth by sacrificing Nether Traitor Sek'Kuar triggers, creating a 3/1 Graveborn creature token creature with haste
2. Resolve the Evereth ability, putting a +1/+1 counter on them
3. Activate the Graveborn token using the ability granted by Enduring Vitality by tapping it, adding
4. Activate Evereth by sacrificing the Graveborn token Nether Traitor triggers, causing you to pay to return it from your graveyard to the battlefield
5. Resolve the Evereth ability, putting a +1/+1 counter on them
6. Activate Nether Traitor using the ability granted by Enduring Vitality by tapping it, adding
7. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite colored mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite damage
• Infinite death triggers