Sek'Kuar, Deathkeeper, Cryptolith Rite, Nether Traitor, and Spawning Pit

Prerequisites

• Sek'Kuar, Deathkeeper on the battlefield
• Cryptolith Rite on the battlefield
• Nether Traitor on the battlefield
• Spawning Pit on the battlefield

Steps

1. Activate Spawning Pit's first ability by sacrificing Nether Traitor
2. Sek'Kuar triggers, creating a 3/1 Graveborn creature token creature with haste
3. Resolve the Spawning Pit ability, putting a charge counter on it
4. Activate the Graveborn token using the ability from Cryptolith Rite by tapping it, adding
5. Activate Spawning Pit's first ability by sacrificing the Graveborn token
6. Nether Traitor triggers, causing you to pay to return it from your graveyard to the battlefield
7. Resolve the Spawning Pit ability, putting a charge counter on it
8. Activate Nether Traitor using the ability from Cryptolith Rite by tapping it, adding one mana of any color
9. Repeat
10. Once you have infinite mana, you may activate Spawning Pit's last ability any number of times

Results

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