Color Identity: U, R, W

Prerequisites

  1.  
    Seat of the Synod
    Seat of the Synod     in your graveyard.
  2.  All other permanents on the battlefield.
  3. Goblin Welder
    Goblin Welder     does not have summoning sickness.

Steps

  1. Activate
    Goblin Welder
    Goblin Welder     by tapping it, causing you to sacrifice
    Ancient Den
    Ancient Den     and return
    Seat of the Synod
    Seat of the Synod     from your graveyard to the battlefield.
  2. Seat of the Synod
    Seat of the Synod     enters the battlefield, triggering
    Retreat to Coralhelm
    Retreat to Coralhelm    , untapping
    Goblin Welder
    Goblin Welder    .
  3. Activate
    Seat of the Synod
    Seat of the Synod     by tapping it, adding ({U} magic symbol)  .
  4. Activate
    Goblin Welder
    Goblin Welder     by tapping it, causing you to sacrifice
    Seat of the Synod
    Seat of the Synod     and return
    Ancient Den
    Ancient Den     from your graveyard to the battlefield.
  5. Ancient Den
    Ancient Den     enters the battlefield, triggering
    Retreat to Coralhelm
    Retreat to Coralhelm    , untapping
    Goblin Welder
    Goblin Welder    .
  6. Activate
    Ancient Den
    Ancient Den     by tapping it, adding ({W} magic symbol)  .
  7. Repeat.

Results

  1. Infinite blue mana.
  2. Infinite landfall triggers.
  3. Infinite white mana.

Metadata

  1. In 17 decks according to EDHREC.
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