Color Identity: C

Initial Card State
- All permanents on the battlefield.
Steps
- Activate Krark-Clan Ironworks by sacrificing Cathodion, adding ({C} magic symbol)
({C} magic symbol)
. - Cathodion and Nim Deathmantle trigger.
- Resolve the Cathodion trigger, adding ({C} magic symbol)
({C} magic symbol)
({C} magic symbol)
. - Resolve the Nim Deathmantle trigger, causing you to pay ({4} magic symbol)
to return Cathodion from your graveyard to the battlefield, and then attach Nim Deathmantle to it. - Repeat.
Results
- Infinite ETB.
- Infinite LTB.
- Infinite colorless mana.
- Infinite death triggers.
- Infinite sacrifice triggers.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).