the front side of Ertha Jo, Frontier Mentor
the back of a classic MtG card
the front side of Metalworker
the back of a classic MtG card
the front side of Voltaic Key
the back of a classic MtG card

Color Identity: R, W

Initial Card State

  1.  All permanents on the battlefield (
    Metalworker
    Metalworker     without summoning sickness).

Notable Prerequisites

  1. You have an artifact card in hand.

Steps

  1. Activate
    Metalworker
    Metalworker     by tapping it, revealing at least one artifact card from your hand and adding at least ({C} magic symbol)  ({C} magic symbol)  .
  2. Activate
    Voltaic Key
    Voltaic Key     by paying ({1} magic symbol)   and tapping it, targeting
    Metalworker
    Metalworker    .
  3. Ertha Jo, Frontier Mentor
    Ertha Jo    's second ability triggers, copying
    Voltaic Key
    Voltaic Key    's ability, targeting
    Voltaic Key
    Voltaic Key    .
  4. Resolve both
    Voltaic Key
    Voltaic Key     abilities, untapping it and
    Metalworker
    Metalworker    .
  5. Repeat.

Results

  1. Infinite colorless mana.
  2. Infinite untap of artifact creatures you control.
  3. Infinite mana artifact creatures you control can produce.

Metadata

  1. In 1 deck according to EDHREC.
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