the front side of Doubling Cube
the back of a classic MtG card
the front side of Voltaic Key
the back of a classic MtG card
the front side of Rings of Brighthearth
the back of a classic MtG card

Color Identity: C

Initial Card State

  1.  All permanents on the battlefield.

Mana Needed

  1. ({10} magic symbol)   available.

Steps

  1. Float ({10} magic symbol)   mana in your mana pool.
  2. Activate Doubling Cube by paying ({3} magic symbol)   and tapping it, causing you to add ({7} magic symbol)  .
  3. Activate Voltaic Key by paying ({1} magic symbol)   and tapping it, targeting Doubling Cube.
  4. Rings of Brighthearth triggers, causing you to pay ({2} magic symbol)   to copy Voltaic Key's ability, targeting Voltaic Key.
  5. Resolve both Voltaic Key abilities, untapping Voltaic Key and Doubling Cube.
  6. Repeat from step 2.

Results

  1. Infinite mana artifacts you control can produce.
  2. Infinite mana permanents you control can produce.
  3. Infinite untap of artifacts you control.

Metadata

  1. In 1307 decks according to EDHREC.
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