Color Identity: G, U, R

Prerequisites

  1.  
    Sprout Swarm
    Sprout Swarm
    in hand.
  2.  
    Murmuring Mystic
    Murmuring Mystic
    on the battlefield.
  3.  
    Spellbinding Soprano
    Spellbinding Soprano
    in your graveyard.
  4. You have at least three opponents.
  5. You control at least two untapped creatures, one of which must be green.
  6. ({3} magic symbol)  ({R} magic symbol)   available.

Steps

  1. Activate
    Spellbinding Soprano
    Spellbinding Soprano
    's encore ability by paying ({3} magic symbol)  ({R} magic symbol)   and exiling it from your graveyard, creating a token copy of it with haste for each opponent you have.
  2. Declare each
    Spellbinding Soprano
    Spellbinding Soprano
    token as an attacker.
  3. Each
    Spellbinding Soprano
    Spellbinding Soprano
    token triggers, causing instant and sorcery spells you cast this turn to cost ({1} magic symbol)   less to cast for each
    Spellbinding Soprano
    Spellbinding Soprano
    token.
  4. Cast
    Sprout Swarm
    Sprout Swarm
    with buyback by tapping a green creature and any other creature you control.
  5. Murmuring Mystic
    Murmuring Mystic
    's first ability triggers, creating a 1/1 Bird Illusion creature token.
  6. Resolve
    Sprout Swarm
    Sprout Swarm
    , creating a 1/1 Saproling creature token and returning
    Sprout Swarm
    Sprout Swarm
    to your hand.
  7. Repeat from step 4.

Results

  1. Infinite ETB.
  2. Infinite magecraft triggers.
  3. Infinite storm count.
  4. Infinite tapped creature tokens.

Metadata

  1. In 1 deck according to EDHREC.
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