Color Identity: G, U

Prerequisites

  1.  All permanents on the battlefield.
  2. Grim Monolith
    Grim Monolith     does not have summoning sickness.
  3. ({U} magic symbol)   available.

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
    The Blackstaff of Waterdeep
    The Blackstaff of Waterdeep     by paying ({1} magic symbol)  ({U} magic symbol)   and tapping it, causing
    Grim Monolith
    Grim Monolith     to become an artifact creature until end of turn.
  3. Activate
    Grim Monolith
    Grim Monolith    's second ability by paying ({2} magic symbol)  , untapping it.
  4. Activate
    Grim Monolith
    Grim Monolith    's first ability by tapping it, adding ({C} magic symbol)  ({C} magic symbol)  ({C} magic symbol)  .
  5. Repeat from step 3.

Results

  1. Infinite colorless mana.

Metadata

  1. In 3 decks according to EDHREC.
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