Color Identity: U, R, W

Prerequisites

  1.  All permanents on the battlefield.
  2. Omen Hawker
    Omen Hawker     does not have summoning sickness.

Steps

  1. Activate
    Omen Hawker
    Omen Hawker     by tapping it, adding ({C} magic symbol)  ({U} magic symbol)   that can only be spent to activate abilities.
  2. Activate
    Crab Umbra
    Crab Umbra     by paying ({U} magic symbol)  , untapping
    Omen Hawker
    Omen Hawker    .
  3. Repeat.

Results

  1. Infinite colorless mana that can only be spent to activate abilities.

Metadata

  1. In 4 decks according to EDHREC.
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