the front side of Urza, Prince of Kroog
the back of a classic MtG card
the front side of Encroaching Mycosynth
the back of a classic MtG card
the front side of Training Grounds
the back of a classic MtG card
the front side of Grand Architect
the back of a classic MtG card

Color Identity: W, U

Initial Card State

  1.  All permanents on the battlefield.

Mana Needed

  1. ({4} magic symbol)   available.

Steps

  1. Activate Urza by paying ({4} magic symbol)  , creating a token copy of Training Grounds that is a 1/1 Soldier in addition to its other types.
  2. Activate Grand Architect's second ability by tapping the 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 by paying at most ({2} magic symbol)  , creating a token copy of Training Grounds that is a 1/1 Soldier in addition to its other types.
  4. Activate Grand Architect's second ability by tapping the 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'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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