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

Metadata

  1. In 57 decks according to EDHREC.
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