How it works
Prerequisites
- You have at least .
- You have a creature card with mana value 3 or less in your graveyard.
Steps
- 1Activate Chthonian Nightmare by paying at most , sacrificing Patron of the Arts and returning Chthonian Nightmare from the battlefield to your hand.
- 2When Patron of the Arts dies, it triggers, creating a Treasure token.
- 3Resolve the Chthonian Nightmare ability, returning another creature card from your graveyard to the battlefield.
- 4Activate the Treasure by tapping and sacrificing it, adding .
- 5Cast Chthonian Nightmare by paying .
- 6Birgi triggers, adding .
- 7When Chthonian Nightmare enters the battlefield, it triggers, causing you to get .
- 8Activate Chthonian Nightmare by paying , sacrificing another creature and returning Chthonian Nightmare from the battlefield to your hand, returning Patron of the Arts from your graveyard to the battlefield.
- 9When Patron of the Arts enters the battlefield, it triggers, creating a Treasure token.
- 10Activate the Treasure by tapping and sacrificing it, adding .
- 11Cast Chthonian Nightmare by paying .
- 12Birgi triggers, adding .
- 13When Chthonian Nightmare enters the battlefield, it triggers, causing you to get .
- 14Repeat.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?