Color Identity: U, R

Prerequisites

  1.  
    Turnabout
    Turnabout     in hand.
  2.  
    Twinning Glass
    Twinning Glass     on the battlefield.
  3.   
    Rootha, Mercurial Artist
    Rootha     in hand or in the command zone.
  4. Artifacts you control can tap to produce at least ({4} magic symbol)  .
  5. ({2} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({R} magic symbol)   plus enough mana to pay for commander tax, if applicable available.

Steps

  1. Activate all mana-producing artifacts you control by tapping them, adding at least ({4} magic symbol)  .
  2. Cast
    Rootha, Mercurial Artist
    Rootha     either from your hand or from the command zone by paying ({1} magic symbol)  ({U} magic symbol)  ({R} magic symbol)   plus commander tax, if applicable.
  3. Cast
    Turnabout
    Turnabout     by paying ({2} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  .
  4. Holding priority, activate
    Rootha, Mercurial Artist
    Rootha     by paying ({2} magic symbol)   and returning it from the battlefield to your hand, copying
    Turnabout
    Turnabout    .
  5. Activate
    Twinning Glass
    Twinning Glass     by paying ({1} magic symbol)   and tapping it, casting
    Rootha, Mercurial Artist
    Rootha     without paying its mana cost.
  6. Resolve the copy of
    Turnabout
    Turnabout    , untapping all artifacts you control.
  7. Activate all mana-producing artifacts you control by tapping them, adding at least ({4} magic symbol)  .
  8. Repeat from step 4.

Results

  1. Infinite ETB.
  2. Infinite LTB.
  3. Infinite magecraft triggers.
  4. Infinite mana artifacts you control can produce.
  5. Infinite storm count.
  6. Infinite untap of artifacts you control.

Metadata

  1. In 7 decks according to EDHREC.
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