Color Identity: W, U

Prerequisites

  1.  All permanents on the battlefield.
  2. ({5} magic symbol)   available.

Steps

  1. Activate
    Urza, Prince of Kroog
    Urza, Prince of Kroog     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
    Urza, Lord High Artificer
    Urza, Lord High Artificer    's first ability by tapping the
    Training Grounds
    Training Grounds     token, adding ({U} magic symbol)  .
  3. Activate
    Urza, Prince of Kroog
    Urza, Prince of Kroog     by paying ({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
    Urza, Lord High Artificer
    Urza, Lord High Artificer    's first ability by tapping the
    Training Grounds
    Training Grounds     token, adding ({U} magic symbol)  .
  5. Activate
    Urza, Prince of Kroog
    Urza, Prince of Kroog     by paying ({1} magic symbol)  , creating a token copy of
    Training Grounds
    Training Grounds     that is a 1/1 Soldier in addition to its other types.
  6. Activate
    Urza, Lord High Artificer
    Urza, Lord High Artificer    's first ability by tapping the
    Training Grounds
    Training Grounds     token, adding ({U} magic symbol)  .
  7. Repeat from step 5.

Results

  1. Infinite ETB.
  2. Infinite tapped creature tokens.

Metadata

  1. In 137 decks according to EDHREC.
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