Color Identity: W, U

Prerequisites

  1.  All permanents on the battlefield.
  2. ({4} magic symbol)   available.

Steps

  1. Activate
    Urza, Prince of Kroog
    Urza     by paying ({4} magic symbol)  , creating a token copy of
    Training Grounds
    Training Grounds     that is a 1/1 Soldier in addition to its other types.
  2. Activate
    Grand Architect
    Grand Architect    's second ability by tapping the
    Training Grounds
    Training Grounds     token, adding ({C} magic symbol)  ({C} magic symbol)   that can only be spent to cast artifact spells or to activate abilities of artifacts.
  3. Activate
    Urza, Prince of Kroog
    Urza     by paying at most ({2} magic symbol)  , creating a token copy of
    Training Grounds
    Training Grounds     that is a 1/1 Soldier in addition to its other types.
  4. Activate
    Grand Architect
    Grand Architect    's second ability by tapping the
    Training Grounds
    Training Grounds     token, adding ({C} magic symbol)  ({C} magic symbol)   that can only be spent to cast artifact spells or to activate abilities of artifacts.
  5. Repeat from step 3.
  6. Once you have infinite colorless mana, you may target any other nonland permanent using
    Urza, Prince of Kroog
    Urza    's ability.

Results

  1. Infinite colorless mana that can only be spent to activate abilities of artifacts.
  2. Infinite colorless mana that can only be spent to cast artifact spells.
  3. Infinite copies of nonland permanents you control.
  4. Infinite creature tokens.
  5. Infinite ETB.

Metadata

  1. In 19 decks according to EDHREC.
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