Chthonian Nightmare, Priest of Gix, Skittering Precursor, and Bartolomé del Presidio

Prerequisites

• Chthonian Nightmare on the battlefield
• Priest of Gix on the battlefield
• Skittering Precursor on the battlefield
• Bartolomé del Presidio on the battlefield
• You have at least

Steps

1. Activate Bartolomé del Presidio 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 Bartolomé del Presidio ability, putting a +1/+1 counter on it
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 storm count
• Infinite black mana
• Infinite +1/+1 counters on Bartolomé del Presidio