Color Identity: C

Initial Card State
- All permanents on the battlefield.
Notable Prerequisites
- Thornbite Staff attached to Scarecrone.
- Scarecrone does not have summoning sickness.
Steps
- Activate Ashnod's Altar by sacrificing Cathodion, adding ({C} magic symbol)
({C} magic symbol)
. - Cathodion dies, triggering itself and Scarecrone.
- Resolve the Cathodion trigger, adding ({C} magic symbol)
({C} magic symbol)
({C} magic symbol)
. - Resolve the Scarecrone trigger, untapping it.
- Activate Scarecrone's second ability by paying ({4} magic symbol)
and tapping it, returning Cathodion from your graveyard to the battlefield. - Repeat.
Results
- Infinite colorless mana.
- Infinite death triggers.
- Infinite ETB.
- Infinite LTB.
- Infinite sacrifice triggers.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).