Color Identity: B

Initial Card State
- Priest of Gix in your graveyard.
- Chthonian Nightmare and Skullport Merchant on the battlefield.
Notable Prerequisites
- You have at least ({E} magic symbol)
({E} magic symbol)
({E} magic symbol)
.
Steps
- Activate Chthonian Nightmare by paying ({E} magic symbol)
({E} magic symbol)
({E} magic symbol)
, sacrificing Skullport Merchant and returning Chthonian Nightmare from the battlefield to your hand, returning Priest of Gix from your graveyard to the battlefield. - When Priest of Gix enters the battlefield, it triggers, adding ({B} magic symbol)
({B} magic symbol)
({B} magic symbol)
. - Cast Chthonian Nightmare by paying ({1} magic symbol)
({B} magic symbol)
. - When Chthonian Nightmare enters the battlefield, it triggers, causing you to get ({E} magic symbol)
({E} magic symbol)
({E} magic symbol)
. - Activate Chthonian Nightmare by paying ({E} magic symbol)
({E} magic symbol)
({E} magic symbol)
, sacrificing Priest of Gix and returning Chthonian Nightmare from the battlefield to your hand, returning Skullport Merchant from your graveyard to the battlefield. - When Skullport Merchant enters, it triggers, creating a Treasure token.
- Activate the Treasure by tapping and sacrificing it, adding ({1} magic symbol)
. - Cast Chthonian Nightmare by paying ({1} magic symbol)
({B} magic symbol)
. - When Chthonian Nightmare enters the battlefield, it triggers, causing you to get ({E} magic symbol)
({E} magic symbol)
({E} magic symbol)
. - Repeat.
Results
- Infinite ETB.
- Infinite LTB.
- Infinite death triggers.
- Infinite sacrifice triggers.
- Infinite storm count.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).