Chthonian Nightmare, and Peregrine Drake

Prerequisites

• Chthonian Nightmare on the battlefield
• Peregrine Drake on the battlefield
• undefined

Steps

1. Activate up to five lands by tapping them, adding at least
2. Activate Chthonian Nightmare by paying at most , sacrificing Peregrine Drake and returning Chthonian Nightmare from the battlefield to your hand, returning a creature with mana value 1 or less from your graveyard to the battlefield
3. Cast Chthonian Nightmare by paying
4. When Chthonian Nightmare enters the battlefield, it triggers, giving you
5. Activate Chthonian Nightmare by paying , sacrificing a nontoken creature with mana value 1 or less and returning Chthonian Nightmare from the battlefield to your hand, returning Peregrine Drake from your graveyard to the battlefield
6. When Peregrine Drake enters the battlefield, it triggers, untapping up to five lands
7. Cast Chthonian Nightmare by paying
8. When Chthonian Nightmare enters the battlefield, it triggers, giving you
9. Repeat
10. If the five lands can tap to produce at least , this combo nets infinite mana

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mana lands you control can produce
• Infinite sacrifice triggers
• Infinite storm count
• Infinite untap of lands you control