Color Identity: C

Initial Card State
- All permanents on the battlefield.
Steps
- Activate Altar of Dementia by sacrificing Su-Chi Cave Guard.
- When Su-Chi Cave Guard dies, it and Nim Deathmantle triggers.
- Resolve the Su-Chi Cave Guard trigger, adding eight ({C} magic symbol)
. - Resolve the Nim Deathmantle trigger from step 2, causing you to pay ({4} magic symbol)
to return Su-Chi Cave Guard from your graveyard to the battlefield, and attach Nim Deathmantle to it. - Resolve the Altar of Dementia ability from step 1, causing target player to mill cards equal to Su-Chi Cave Guard's power.
- Repeat.
Results
- Infinite colorless mana.
- Infinite death triggers.
- Infinite ETB.
- Infinite LTB.
- Infinite mill.
- Infinite sacrifice triggers.
- Infinite self-mill.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).