Color Identity: B

Initial Card State
- All permanents on the battlefield.
Mana Needed
- ({2} magic symbol)
available.
Steps
- Activate Ashnod's Altar by sacrificing Callous Bloodmage, adding ({C} magic symbol)
({C} magic symbol)
. - Callous Bloodmage dies, triggering Nim Deathmantle, causing you to pay ({4} magic symbol)
to return Callous Bloodmage from your graveyard to the battlefield, and attach Nim Deathmantle to it. - Callous Bloodmage enters the battlefield, creating a 1/1 Pest creature token.
- Activate Ashnod's Altar by sacrificing the Pest, adding ({C} magic symbol)
({C} magic symbol)
. - When the Pest dies, it triggers, causing you to gain one life.
- Repeat.
Results
- Infinite death triggers.
- Infinite ETB.
- Infinite lifegain.
- Infinite lifegain triggers.
- Infinite LTB.
- Infinite sacrifice triggers.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).