Color Identity: B, G, U

Prerequisites

  1.  
    Psychic Frog
    Psychic Frog     in exile (
    Psychic Frog
    Psychic Frog     exiled by
    Agatha's Soul Cauldron
    Agatha's Soul Cauldron    ).
  2.  
    Evolution Witness
    Evolution Witness     and
    Agatha's Soul Cauldron
    Agatha's Soul Cauldron     on the battlefield.
  3. You have at least one permanent card in hand.
  4. Evolution Witness
    Evolution Witness     has at least one +1/+1 counter on it.

Steps

  1. Activate
    Evolution Witness
    Evolution Witness     using
    Psychic Frog
    Psychic Frog    's first ability by discarding a permanent card, putting a +1/+1 counter on
    Evolution Witness
    Evolution Witness    .
  2. Evolution Witness
    Evolution Witness     triggers, returning the permanent card from your graveyard to your hand.
  3. Repeat.

Results

  1. Infinite +1/+1 counters on
    Evolution Witness
    Evolution Witness    .
  2. Infinite self-discard triggers.

Metadata

  1. In 24 decks according to EDHREC.
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