Color Identity: U

Prerequisites

  1.  All permanents on the battlefield.
  2. Grim Monolith
    Grim Monolith     does not have summoning sickness.

Steps

  1. Activate
    Grim Monolith
    Grim Monolith    's first ability by tapping it, adding ({C} magic symbol)  ({C} magic symbol)  ({C} magic symbol)  .
  2. Activate
    Karn, Silver Golem
    Karn     by paying ({1} magic symbol)  , causing
    Grim Monolith
    Grim Monolith     to become an artifact creature until end of turn.
  3. Activate
    Grim Monolith
    Grim Monolith    's last ability by paying ({2} magic symbol)  , untapping it.
  4. Repeat step 1 and 3.

Results

  1. Infinite colorless mana.

Metadata

  1. In 38 decks according to EDHREC.
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