Color Identity: G

Initial Card State
- Devoted Druid in exile (exiled by Agatha's Soul Cauldron).
- Agatha's Soul Cauldron and Immaculate Magistrate on the battlefield.
Notable Prerequisites
- You control at least two Elves.
- Immaculate Magistrate does not have summoning sickness.
Steps
- Activate Immaculate Magistrate by tapping it, putting a +1/+1 counter on it for each Elf you control.
- Activate Immaculate Magistrate using Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
- Repeat.
- Once you have infinite +1/+1 counters on Immaculate Magistrate, you may instead target any other creature, or use Devoted Druid's first ability.
- If you give other creatures +1/+1 counters, you may also untap them infinitely using Devoted Druid's second ability.
Results
- Infinite green mana.
- Infinite mana creatures you control can produce.
- Infinite untap of creatures you control.
- Infinite +1/+1 counters on creatures you control.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).