Songs of the Damned, Chthonian Nightmare, and Mnemonic Wall

Prerequisites

• Songs of the Damned in hand
• Chthonian Nightmare in hand
• Mnemonic Wall on the battlefield
• You have at least five creature cards in your graveyard
• You control a nontoken creature with mana value 1 or less
• You have at least
• available

Steps

1. Cast Songs of the Damned by paying , adding for each creature card in your graveyard
2. Cast Chthonian Nightmare by paying
3. When Chthonian Nightmare enters the battlefield, it triggers, causing you to get
4. Activate Chthonian Nightmare by paying , sacrificing a creature with mana value 1 or less and returning Chthonian Nightmare from the battlefield to your hand, returning Mnemonic Wall from your graveyard to the battlefield
5. When Mnemonic Wall enters the battlefield, it triggers, returning Songs of the Damned from your graveyard to your hand
6. Cast Chthonian Nightmare by paying
7. When Chthonian Nightmare enters the battlefield, it triggers, causing you to get
8. Activate Chthonian Nightmare by paying an amount of , sacrificing Mnemonic Wall and returning Chthonian Nightmare from the battlefield to your hand, returning a creature from your graveyard to the battlefield
9. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count
• Infinite magecraft triggers
• Infinite black mana