Songs of the Damned, Chthonian Nightmare, and Skullwinder

Prerequisites

• Songs of the Damned in hand
• Chthonian Nightmare in hand
• Skullwinder on the battlefield
• You have at least five creature cards in your graveyard
• You control a nontoken creature with mana value 3 or less
• 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 3 or less and returning Chthonian Nightmare from the battlefield to your hand, returning Skullwinder from your graveyard to the battlefield
5. When Skullwinder enters the battlefield, it triggers, returning Songs of the Damned from your graveyard to your hand and causing an opponent to return a card to their hand from their graveyard
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 Skullwinder 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
• Target opponent returns all cards in their graveyard to their hand