Color Identity: B, R

Prerequisites

  1.  
    Universal Automaton
    Universal Automaton     in hand.
  2.  All other permanents on the battlefield.
  3. ({1} magic symbol)   available.

Steps

  1. Cast
    Universal Automaton
    Universal Automaton     by paying ({1} magic symbol)  .
  2. Universal Automaton
    Universal Automaton     enters the battlefield, triggering
    Mana Echoes
    Mana Echoes     and
    Sethron, Hurloon General
    Sethron    .
  3. Resolve the
    Mana Echoes
    Mana Echoes     trigger, adding ({C} magic symbol)   for each creature you control.
  4. Resolve the
    Sethron, Hurloon General
    Sethron     trigger, creating a 2/2 Minotaur creature token.
  5. The Minotaur enters the battlefield, triggering
    Cloudstone Curio
    Cloudstone Curio     and
    Mana Echoes
    Mana Echoes    .
  6. Resolve the
    Cloudstone Curio
    Cloudstone Curio     trigger, returning
    Universal Automaton
    Universal Automaton     from the battlefield to your hand.
  7. Resolve the
    Mana Echoes
    Mana Echoes     trigger, adding ({C} magic symbol)   for each Minotaur you control.
  8. Repeat.

Results

  1. Infinite colorless mana.
  2. Infinite creature tokens.
  3. Infinite ETB.
  4. Infinite LTB.
  5. Infinite storm count.

Metadata

  1. In 21 decks according to EDHREC.
footer