Chthonian Nightmare, Pitiless Plunderer, and Doubling Season

Prerequisites

• Chthonian Nightmare on the battlefield
• Pitiless Plunderer on the battlefield
• Doubling Season on the battlefield

Steps

1. Activate Chthonian Nightmare by paying an amount of , sacrificing a nontoken creature and returning Chthonian Nightmare from the battlefield to your hand
2. When the creature dies, Pitiless Plunderer triggers, creating two Treasure tokens due to Doubling Season
3. Resolve the Chthonian Nightmare ability, returning another creature from your graveyard to the battlefield
4. Activate two Treasures by tapping and sacrificing them, adding
5. Cast Chthonian Nightmare by paying
6. When Chthonian Nightmare enters, it triggers, causing you to get
7. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite energy counters
• Infinite sacrifice triggers
• Infinite storm count