Color Identity: G

Initial Card State
- All permanents on the battlefield.
Steps
- Activate Phyrexian Altar by sacrificing Mitotic Slime, adding ({1} magic symbol)
. - Mitotic Slime dies, triggering itself and Nim Deathmantle.
- Resolve the Mitotic Slime trigger, creating two 2/2 Ooze creature tokens.
- Activate Phyrexian Altar by sacrificing an Ooze, adding ({1} magic symbol)
. - The Ooze dies, creating two 1/1 Ooze creature tokens.
- Activate Phyrexian Altar twice by sacrificing two Oozes, adding ({2} magic symbol)
. - Resolve the Nim Deathmantle trigger from step 2, causing you to pay ({4} magic symbol)
to return Mitotic Slime from your graveyard to the battlefield, and attach Nim Deathmantle to it. - Repeat.
Results
- Infinite colored mana.
- Infinite creature tokens.
- Infinite death triggers.
- Infinite ETB.
- Infinite LTB.
- Infinite sacrifice triggers.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).