Color Identity: G

Prerequisites

  1.  
    Devoted Druid
    Devoted Druid
    in exile (exiled by
    Agatha's Soul Cauldron
    Agatha's Soul Cauldron
    ).
  2.  
    Agatha's Soul Cauldron
    Agatha's Soul Cauldron
    and
    Immaculate Magistrate
    Immaculate Magistrate
    on the battlefield.
  3. You control at least two Elves.
  4. Immaculate Magistrate
    Immaculate Magistrate
    does not have summoning sickness.

Steps

  1. Activate
    Immaculate Magistrate
    Immaculate Magistrate
    by tapping it, putting a +1/+1 counter on it for each Elf you control.
  2. Activate
    Immaculate Magistrate
    Immaculate Magistrate
    using
    Devoted Druid
    Devoted Druid
    's second ability by putting a -1/-1 counter on it, untapping it.
  3. Repeat.
  4. Once you have infinite +1/+1 counters on
    Immaculate Magistrate
    Immaculate Magistrate
    , you may instead target any other creature, or use
    Devoted Druid
    Devoted Druid
    's first ability.
  5. If you give other creatures +1/+1 counters, you may also untap them infinitely using
    Devoted Druid
    Devoted Druid
    's second ability.

Results

  1. Infinite +1/+1 counters.
  2. Infinite green mana.
  3. Infinite mana creatures you control can produce.
  4. Infinite untap of creatures you control.

Metadata

  1. In 33 decks according to EDHREC.
footer