the front side of Urza, Prince of Kroog
the back of a classic MtG card
the front side of Metalworker
the back of a classic MtG card
the front side of Retreat to Coralhelm
the back of a classic MtG card
the front side of Seat of the Synod
the back of a classic MtG card

Color Identity: W, U

Initial Card State

  1.  All permanents on the battlefield.

Notable Prerequisites

  1. You have at least three artifact cards in hand.
  2. Metalworker does not have summoning sickness.

Steps

  1. Activate Metalworker by tapping it and revealing at least three artifact cards from your hand, adding at least six ({C} magic symbol)  .
  2. Activate Urza by paying ({6} magic symbol)  , creating a token copy of Seat of the Synod that is a 1/1 Soldier.
  3. When the Seat of the Synod token enters the battlefield, Retreat to Coralhelm triggers, untapping Metalworker.
  4. Repeat.
  5. If you have four or more artifact cards in hand, this combo nets infinite colorless mana, and you may target any artifact you control to get infinite copies of them.

Results

  1. Infinite colorless mana.
  2. Infinite copies of each artifact you control.
  3. Infinite creature tokens.
  4. Infinite ETB.
  5. Infinite landfall triggers.
  6. Infinite creature copies of artifacts you control.

Metadata

  1. In 2 decks according to EDHREC.
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