Chthonian Nightmare, Priest of Gix, Skittering Precursor, and Viscera Seer

Prerequisites

• Chthonian Nightmare on the battlefield
• Priest of Gix on the battlefield
• Skittering Precursor on the battlefield
• Viscera Seer on the battlefield
• You have at least

Steps

1. Activate Viscera Seer by sacrificing Priest of Gix
2. When Priest of Gix dies, Skittering Precursor triggers, creating a 0/1 Eldrazi Spawn creature token
3. Resolve the Viscera Seer ability, causing you to scry 1
4. Activate Chthonian Nightmare by paying , sacrificing the Eldrazi Spawn and returning Chthonian Nightmare from the battlefield to your hand, returning Priest of Gix from your graveyard to the battlefield
5. When Priest of Gix enters the battlefield, it triggers, adding
6. Cast Chthonian Nightmare by paying
7. When Chthonian Nightmare enters the battlefield, it triggers, causing you to get
8. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite scry 1
• Infinite storm count
• Infinite black mana