the front side of Karn, Silver Golem
the back of a classic MtG card
the front side of Doubling Cube
the back of a classic MtG card
the front side of Umbral Mantle
the back of a classic MtG card

Color Identity: C

Initial Card State

  1.  All permanents on the battlefield.

Notable Prerequisites

  1. Doubling Cube does not have summoning sickness.

Mana Needed

  1. ({10} magic symbol)   available.

Steps

  1. Activate Karn by paying ({1} magic symbol)  , causing Doubling Cube to become an artifact creature until end of turn.
  2. Activate Umbral Mantle's equip ability by paying ({0} magic symbol)  , attaching it to Doubling Cube.
  3. Float at least ({10} magic symbol)   in your mana pool.
  4. Activate Doubling Cube by paying ({3} magic symbol)   and tapping it, adding at least ({7} magic symbol)  .
  5. Activate Doubling Cube by paying ({3} magic symbol)   and untapping it, giving it +2/+2 until end of turn.
  6. Repeat from step 4.

Results

  1. Infinitely large Doubling Cube until end of turn.
  2. Infinite mana permanents you control can produce.
  3. Infinite untap of creatures you control.
  4. Infinite mana creatures you control can produce.
  5. Infinitely large creature until end of turn.

Metadata

  1. In 58 decks according to EDHREC.
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