Chthonian Nightmare, Salvager of Secrets, and Notorious Throng

Prerequisites

• Chthonian Nightmare in hand
• Salvager of Secrets in the graveyard
• Notorious Throng in hand
• the first turn, with each extra turn available

Steps

1. Deal combat damage using a Rogue Cast Notorious Throng for its prowl cost by paying , causing you to take an extra turn after this one
2. Move to your next turn
3. Cast Chthonian Nightmare by paying
4. When Chthonian Nightmare enters the battlefield, it triggers, causing you to get
5. Activate Chthonian Nightmare by paying , sacrificing a creature with mana value 2 or less, and returning Chthonian Nightmare from the battlefield to your hand, returning Salvager of Secrets from your graveyard to the battlefield
6. When Salvager of Secrets enters the battlefield, it triggers, returning Notorious Throng from your graveyard to your hand
7. Cast Chthonian Nightmare by paying
8. When Chthonian Nightmare enters the battlefield, it triggers, causing you to get
9. Activate Chthonian Nightmare by paying at most , sacrificing Salvager of Secrets, and returning Chthonian Nightmare from the battlefield to your hand, returning a creature with mana value 2 or less from your graveyard to the battlefield
10. Repeat

Results

• Infinite turns
• Lock