Chthonian Nightmare + Patron of the Arts + Cathodion

Chthonian Nightmare

Patron of the Arts

Cathodion

How it works

1. Activate Chthonian Nightmare by paying EEE, sacrificing Patron of the Arts and returning Chthonian Nightmare from the battlefield to your hand.
2. When Patron of the Arts dies, it triggers, creating a Treasure token.
3. Resolve the Chthonian Nightmare ability, returning Cathodion from your graveyard to the battlefield.
4. Activate the Treasure by tapping and sacrificing it, adding .
5. Cast Chthonian Nightmare by paying 1.
6. When Chthonian Nightmare enters the battlefield, it triggers, causing you to get EEE.
7. Activate Chthonian Nightmare by paying EEE, sacrificing Cathodion and returning Chthonian Nightmare from the battlefield to your hand.
8. When Cathodion dies, it triggers, adding CCC.
9. Resolve the Chthonian Nightmare ability, returning Patron of the Arts from your graveyard to the battlefield.
10. When Patron of the Arts enters the battlefield, it triggers, creating a Treasure token.
11. Activate the Treasure by tapping and sacrificing it, adding .
12. Cast Chthonian Nightmare by paying 1.
13. When Chthonian Nightmare enters the battlefield, it triggers, causing you to get EEE.
14. Repeat.

This clever loop relies on the seamless interplay between Chthonian Nightmare, Cathodion, and Patron of the Arts to continuously recur your creatures while generating a surplus of resources. By using the energy provided when Chthonian Nightmare enters the battlefield to sacrifice one creature and return the other from the graveyard, you trigger death effects that fuel your next iteration. Patron of the Arts provides the necessary mana-producing Treasure upon entering and dying, while Cathodion chips in the extra colorless mana when it meets its demise, letting you recast the enchantment and repeat the cycle indefinitely.